Re: Linux 4.18.18

Greg KH
2018-11-10T16:16:23Z

diff --git a/Makefile b/Makefile
index c051db0ca5a0..7b35c1ec0427 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 18
-SUBLEVEL = 17
+SUBLEVEL = 18
EXTRAVERSION =
NAME = Merciless Moray

diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index a38bf5a1e37a..69dcdf195b61 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -528,7 +528,7 @@ static inline void fpregs_activate(struct fpu *fpu)
static inline void
switch_fpu_prepare(struct fpu *old_fpu, int cpu)
{
- if (old_fpu->initialized) {
+ if (static_cpu_has(X86_FEATURE_FPU) && old_fpu->initialized) {
if (!copy_fpregs_to_fpstate(old_fpu))
old_fpu->last_cpu = -1;
else
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index a06b07399d17..6abf3af96fc8 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -185,22 +185,22 @@ do { \
typeof(var) pfo_ret__; \
switch (sizeof(var)) { \
case 1: \
- asm(op "b "__percpu_arg(1)",%0" \
+ asm volatile(op "b "__percpu_arg(1)",%0"\
: "=q" (pfo_ret__) \
: "m" (var)); \
break; \
case 2: \
- asm(op "w "__percpu_arg(1)",%0" \
+ asm volatile(op "w "__percpu_arg(1)",%0"\
: "=r" (pfo_ret__) \
: "m" (var)); \
break; \
case 4: \
- asm(op "l "__percpu_arg(1)",%0" \
+ asm volatile(op "l "__percpu_arg(1)",%0"\
: "=r" (pfo_ret__) \
: "m" (var)); \
break; \
case 8: \
- asm(op "q "__percpu_arg(1)",%0" \
+ asm volatile(op "q "__percpu_arg(1)",%0"\
: "=r" (pfo_ret__) \
: "m" (var)); \
break; \
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index 661583662430..71c0b01d93b1 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -42,10 +42,8 @@ IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
int __init pci_swiotlb_detect_4gb(void)
{
/* don't initialize swiotlb if iommu=off (no_iommu=1) */
-#ifdef CONFIG_X86_64
if (!no_iommu && max_possible_pfn > MAX_DMA32_PFN)
swiotlb = 1;
-#endif

/*
* If SME is active then swiotlb will be set to 1 so that bounce
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 74b4472ba0a6..f32472acf66c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1258,7 +1258,7 @@ void __init setup_arch(char **cmdline_p)
x86_init.hyper.guest_late_init();

e820__reserve_resources();
- e820__register_nosave_regions(max_low_pfn);
+ e820__register_nosave_regions(max_pfn);

x86_init.resources.reserve_resources();

diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index be01328eb755..fddaefc51fb6 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -25,7 +25,7 @@
#include <asm/time.h>

#ifdef CONFIG_X86_64
-__visible volatile unsigned long jiffies __cacheline_aligned = INITIAL_JIFFIES;
+__visible volatile unsigned long jiffies __cacheline_aligned_in_smp = INITIAL_JIFFIES;
#endif

unsigned long profile_pc(struct pt_regs *regs)
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index a10481656d82..2f4af9598f62 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -60,7 +60,7 @@ struct cyc2ns {

static DEFINE_PER_CPU_ALIGNED(struct cyc2ns, cyc2ns);

-void cyc2ns_read_begin(struct cyc2ns_data *data)
+void __always_inline cyc2ns_read_begin(struct cyc2ns_data *data)
{
int seq, idx;

@@ -77,7 +77,7 @@ void cyc2ns_read_begin(struct cyc2ns_data *data)
} while (unlikely(seq != this_cpu_read(cyc2ns.seq.sequence)));
}

-void cyc2ns_read_end(void)
+void __always_inline cyc2ns_read_end(void)
{
preempt_enable_notrace();
}
@@ -123,7 +123,7 @@ static void __init cyc2ns_init(int cpu)
seqcount_init(&c2n->seq);
}

-static inline unsigned long long cycles_2_ns(unsigned long long cyc)
+static __always_inline unsigned long long cycles_2_ns(unsigned long long cyc)
{
struct cyc2ns_data data;
unsigned long long ns;
diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
index ffa5dac221e4..129ebd2588fd 100644
--- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
+++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c
@@ -1434,8 +1434,16 @@ static void __init sun4i_ccu_init(struct device_node *node,
return;
}

- /* Force the PLL-Audio-1x divider to 1 */
val = readl(reg + SUN4I_PLL_AUDIO_REG);
+
+ /*
+ * Force VCO and PLL bias current to lowest setting. Higher
+ * settings interfere with sigma-delta modulation and result
+ * in audible noise and distortions when using SPDIF or I2S.
+ */
+ val &= ~GENMASK(25, 16);
+
+ /* Force the PLL-Audio-1x divider to 1 */
val &= ~GENMASK(29, 26);
writel(val | (1 << 26), reg + SUN4I_PLL_AUDIO_REG);

diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index e2831ee70cdc..deb539b3316b 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -18,8 +18,6 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio/driver.h>
-/* FIXME: for gpio_get_value(), replace this by direct register read */
-#include <linux/gpio.h>
#include <linux/module.h>

#define MXS_SET 0x4
@@ -86,7 +84,7 @@ static int mxs_gpio_set_irq_type(struct irq_data *d, unsigned int type)
port->both_edges &= ~pin_mask;
switch (type) {
case IRQ_TYPE_EDGE_BOTH:
- val = gpio_get_value(port->gc.base + d->hwirq);
+ val = port->gc.get(&port->gc, d->hwirq);
if (val)
edge = GPIO_INT_FALL_EDGE;
else
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c7b4481c90d7..d74d9a8cde2a 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -113,6 +113,9 @@ static const struct edid_quirk {
/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },

+ /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
+ { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
+
/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },

@@ -4279,7 +4282,7 @@ static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;

dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
- hdmi->y420_dc_modes |= dc_mask;
+ hdmi->y420_dc_modes = dc_mask;
}

static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 2ee1eaa66188..1ebac724fe7b 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1561,6 +1561,25 @@ int drm_fb_helper_ioctl(struct fb_info *info, unsigned int cmd,
}
EXPORT_SYMBOL(drm_fb_helper_ioctl);

+static bool drm_fb_pixel_format_equal(const struct fb_var_screeninfo *var_1,
+ const struct fb_var_screeninfo *var_2)
+{
+ return var_1->bits_per_pixel == var_2->bits_per_pixel &&
+ var_1->grayscale == var_2->grayscale &&
+ var_1->red.offset == var_2->red.offset &&
+ var_1->red.length == var_2->red.length &&
+ var_1->red.msb_right == var_2->red.msb_right &&
+ var_1->green.offset == var_2->green.offset &&
+ var_1->green.length == var_2->green.length &&
+ var_1->green.msb_right == var_2->green.msb_right &&
+ var_1->blue.offset == var_2->blue.offset &&
+ var_1->blue.length == var_2->blue.length &&
+ var_1->blue.msb_right == var_2->blue.msb_right &&
+ var_1->transp.offset == var_2->transp.offset &&
+ var_1->transp.length == var_2->transp.length &&
+ var_1->transp.msb_right == var_2->transp.msb_right;
+}
+
/**
* drm_fb_helper_check_var - implementation for &fb_ops.fb_check_var
* @var: screeninfo to check
@@ -1571,7 +1590,6 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
{
struct drm_fb_helper *fb_helper = info->par;
struct drm_framebuffer *fb = fb_helper->fb;
- int depth;

if (var->pixclock != 0 || in_dbg_master())
return -EINVAL;
@@ -1591,72 +1609,15 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
return -EINVAL;
}

- switch (var->bits_per_pixel) {
- case 16:
- depth = (var->green.length == 6) ? 16 : 15;
- break;
- case 32:
- depth = (var->transp.length > 0) ? 32 : 24;
- break;
- default:
- depth = var->bits_per_pixel;
- break;
- }
-
- switch (depth) {
- case 8:
- var->red.offset = 0;
- var->green.offset = 0;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 0;
- var->transp.offset = 0;
- break;
- case 15:
- var->red.offset = 10;
- var->green.offset = 5;
- var->blue.offset = 0;
- var->red.length = 5;
- var->green.length = 5;
- var->blue.length = 5;
- var->transp.length = 1;
- var->transp.offset = 15;
- break;
- case 16:
- var->red.offset = 11;
- var->green.offset = 5;
- var->blue.offset = 0;
- var->red.length = 5;
- var->green.length = 6;
- var->blue.length = 5;
- var->transp.length = 0;
- var->transp.offset = 0;
- break;
- case 24:
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 0;
- var->transp.offset = 0;
- break;
- case 32:
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 8;
- var->transp.offset = 24;
- break;
- default:
+ /*
+ * drm fbdev emulation doesn't support changing the pixel format at all,
+ * so reject all pixel format changing requests.
+ */
+ if (!drm_fb_pixel_format_equal(var, &info->var)) {
+ DRM_DEBUG("fbdev emulation doesn't support changing the pixel format\n");
return -EINVAL;
}
+
return 0;
}
EXPORT_SYMBOL(drm_fb_helper_check_var);
diff --git a/drivers/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
index e36004fbe453..2a15f2f9271e 100644
--- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c
+++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c
@@ -81,9 +81,19 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
int i;

for (i = tcon->dclk_min_div; i <= tcon->dclk_max_div; i++) {
- unsigned long ideal = rate * i;
+ u64 ideal = (u64)rate * i;
unsigned long rounded;

+ /*
+ * ideal has overflowed the max value that can be stored in an
+ * unsigned long, and every clk operation we might do on a
+ * truncated u64 value will give us incorrect results.
+ * Let's just stop there since bigger dividers will result in
+ * the same overflow issue.
+ */
+ if (ideal > ULONG_MAX)
+ goto out;
+
rounded = clk_hw_round_rate(clk_hw_get_parent(hw),
ideal);

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 9eef96dacbd7..d93a719d25c1 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -46,6 +46,8 @@
#include <linux/mutex.h>
#include <linux/slab.h>

+#include <linux/nospec.h>
+
#include <linux/uaccess.h>

#include <rdma/ib.h>
@@ -1123,6 +1125,7 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf,

if (hdr.cmd >= ARRAY_SIZE(ucm_cmd_table))
return -EINVAL;
+ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucm_cmd_table));

if (hdr.in + sizeof(hdr) > len)
return -EINVAL;
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 21863ddde63e..01d68ed46c1b 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -44,6 +44,8 @@
#include <linux/module.h>
#include <linux/nsproxy.h>

+#include <linux/nospec.h>
+
#include <rdma/rdma_user_cm.h>
#include <rdma/ib_marshall.h>
#include <rdma/rdma_cm.h>
@@ -1676,6 +1678,7 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf,

if (hdr.cmd >= ARRAY_SIZE(ucma_cmd_table))
return -EINVAL;
+ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucma_cmd_table));

if (hdr.in + sizeof(hdr) > len)
return -EINVAL;
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index f5ae24865355..b0f9d19b3410 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1346,6 +1346,7 @@ static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN0611", 0 },
{ "ELAN0612", 0 },
{ "ELAN0618", 0 },
+ { "ELAN061C", 0 },
{ "ELAN061D", 0 },
{ "ELAN0622", 0 },
{ "ELAN1000", 0 },
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index f5cc517d1131..7e50e1d6f58c 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -478,6 +478,23 @@ static void at24_properties_to_pdata(struct device *dev,
if (device_property_present(dev, "no-read-rollover"))
chip->flags |= AT24_FLAG_NO_RDROL;

+ err = device_property_read_u32(dev, "address-width", &val);
+ if (!err) {
+ switch (val) {
+ case 8:
+ if (chip->flags & AT24_FLAG_ADDR16)
+ dev_warn(dev, "Override address width to be 8, while default is 16\n");
+ chip->flags &= ~AT24_FLAG_ADDR16;
+ break;
+ case 16:
+ chip->flags |= AT24_FLAG_ADDR16;
+ break;
+ default:
+ dev_warn(dev, "Bad \"address-width\" property: %u\n",
+ val);
+ }
+ }
+
err = device_property_read_u32(dev, "size", &val);
if (!err)
chip->byte_len = val;
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 01b0e2bb3319..2012551d93e0 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -24,6 +24,8 @@
#include <linux/slab.h>
#include <linux/timekeeping.h>

+#include <linux/nospec.h>
+
#include "ptp_private.h"

static int ptp_disable_pinfunc(struct ptp_clock_info *ops,
@@ -248,6 +250,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
err = -EINVAL;
break;
}
+ pin_index = array_index_nospec(pin_index, ops->n_pins);
if (mutex_lock_interruptible(&ptp->pincfg_mux))
return -ERESTARTSYS;
pd = ops->pin_config[pin_index];
@@ -266,6 +269,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
err = -EINVAL;
break;
}
+ pin_index = array_index_nospec(pin_index, ops->n_pins);
if (mutex_lock_interruptible(&ptp->pincfg_mux))
return -ERESTARTSYS;
err = ptp_set_pinfunc(ptp, pin_index, pd.func, pd.chan);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 84f52774810a..b61d101894ef 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -309,17 +309,17 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf)

if (difference & ACM_CTRL_DSR)
acm->iocount.dsr++;
- if (difference & ACM_CTRL_BRK)
- acm->iocount.brk++;
- if (difference & ACM_CTRL_RI)
- acm->iocount.rng++;
if (difference & ACM_CTRL_DCD)
acm->iocount.dcd++;
- if (difference & ACM_CTRL_FRAMING)
+ if (newctrl & ACM_CTRL_BRK)
+ acm->iocount.brk++;
+ if (newctrl & ACM_CTRL_RI)
+ acm->iocount.rng++;
+ if (newctrl & ACM_CTRL_FRAMING)
acm->iocount.frame++;
- if (difference & ACM_CTRL_PARITY)
+ if (newctrl & ACM_CTRL_PARITY)
acm->iocount.parity++;
- if (difference & ACM_CTRL_OVERRUN)
+ if (newctrl & ACM_CTRL_OVERRUN)
acm->iocount.overrun++;
spin_unlock(&acm->read_lock);

@@ -354,7 +354,6 @@ static void acm_ctrl_irq(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- acm->nb_index = 0;
dev_dbg(&acm->control->dev,
"%s - urb shutting down with status: %d\n",
__func__, status);
@@ -1642,6 +1641,7 @@ static int acm_pre_reset(struct usb_interface *intf)
struct acm *acm = usb_get_intfdata(intf);

clear_bit(EVENT_RX_STALL, &acm->flags);
+ acm->nb_index = 0; /* pending control transfers are lost */

return 0;
}
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index e1e0c90ce569..2e66711dac9c 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1473,8 +1473,6 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
u = 0;
switch (uurb->type) {
case USBDEVFS_URB_TYPE_CONTROL:
- if (is_in)
- allow_short = true;
if (!usb_endpoint_xfer_control(&ep->desc))
return -EINVAL;
/* min 8 byte setup packet */
@@ -1504,6 +1502,8 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
is_in = 0;
uurb->endpoint &= ~USB_DIR_IN;
}
+ if (is_in)
+ allow_short = true;
snoop(&ps->dev->dev, "control urb: bRequestType=%02x "
"bRequest=%02x wValue=%04x "
"wIndex=%04x wLength=%04x\n",
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index acecd13dcbd9..b29620e5df83 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -222,6 +222,8 @@
#include <linux/usb/gadget.h>
#include <linux/usb/composite.h>

+#include <linux/nospec.h>
+
#include "configfs.h"

@@ -3171,6 +3173,7 @@ static struct config_group *fsg_lun_make(struct config_group *group,
fsg_opts = to_fsg_opts(&group->cg_item);
if (num >= FSG_MAX_LUNS)
return ERR_PTR(-ERANGE);
+ num = array_index_nospec(num, FSG_MAX_LUNS);

mutex_lock(&fsg_opts->lock);
if (fsg_opts->refcnt || fsg_opts->common->luns[num]) {
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 722860eb5a91..51dd8e00c4f8 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -179,10 +179,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_PME_STUCK_QUIRK;
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
- pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) {
+ pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI)
xhci->quirks |= XHCI_SSIC_PORT_UNUSED;
+ if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+ (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI))
xhci->quirks |= XHCI_INTEL_USB_ROLE_SW;
- }
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c b/drivers/usb/roles/intel-xhci-usb-role-switch.c
index 1fb3dd0f1dfa..277de96181f9 100644
--- a/drivers/usb/roles/intel-xhci-usb-role-switch.c
+++ b/drivers/usb/roles/intel-xhci-usb-role-switch.c
@@ -161,6 +161,8 @@ static int intel_xhci_usb_remove(struct platform_device *pdev)
{
struct intel_xhci_usb_data *data = platform_get_drvdata(pdev);

+ pm_runtime_disable(&pdev->dev);
+
usb_role_switch_unregister(data->role_sw);
return 0;
}
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index d11f3f8dad40..1e592ec94ba4 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -318,8 +318,9 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
struct vhci_hcd *vhci_hcd;
struct vhci *vhci;
int retval = 0;
- int rhport;
+ int rhport = -1;
unsigned long flags;
+ bool invalid_rhport = false;

u32 prev_port_status[VHCI_HC_PORTS];

@@ -334,9 +335,19 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
usbip_dbg_vhci_rh("typeReq %x wValue %x wIndex %x\n", typeReq, wValue,
wIndex);

- if (wIndex > VHCI_HC_PORTS)
- pr_err("invalid port number %d\n", wIndex);
- rhport = wIndex - 1;
+ /*
+ * wIndex can be 0 for some request types (typeReq). rhport is
+ * in valid range when wIndex >= 1 and < VHCI_HC_PORTS.
+ *
+ * Reference port_status[] only with valid rhport when
+ * invalid_rhport is false.
+ */
+ if (wIndex < 1 || wIndex > VHCI_HC_PORTS) {
+ invalid_rhport = true;
+ if (wIndex > VHCI_HC_PORTS)
+ pr_err("invalid port number %d\n", wIndex);
+ } else
+ rhport = wIndex - 1;

vhci_hcd = hcd_to_vhci_hcd(hcd);
vhci = vhci_hcd->vhci;
@@ -345,8 +356,9 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,

/* store old status and compare now and old later */
if (usbip_dbg_flag_vhci_rh) {
- memcpy(prev_port_status, vhci_hcd->port_status,
- sizeof(prev_port_status));
+ if (!invalid_rhport)
+ memcpy(prev_port_status, vhci_hcd->port_status,
+ sizeof(prev_port_status));
}

switch (typeReq) {
@@ -354,8 +366,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
usbip_dbg_vhci_rh(" ClearHubFeature\n");
break;
case ClearPortFeature:
- if (rhport < 0)
+ if (invalid_rhport) {
+ pr_err("invalid port number %d\n", wIndex);
goto error;
+ }
switch (wValue) {
case USB_PORT_FEAT_SUSPEND:
if (hcd->speed == HCD_USB3) {
@@ -415,9 +429,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
break;
case GetPortStatus:
usbip_dbg_vhci_rh(" GetPortStatus port %x\n", wIndex);
- if (wIndex < 1) {
+ if (invalid_rhport) {
pr_err("invalid port number %d\n", wIndex);
retval = -EPIPE;
+ goto error;
}

/* we do not care about resume. */
@@ -513,16 +528,20 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
goto error;
}

- if (rhport < 0)
+ if (invalid_rhport) {
+ pr_err("invalid port number %d\n", wIndex);
goto error;
+ }

vhci_hcd->port_status[rhport] |= USB_PORT_STAT_SUSPEND;
break;
case USB_PORT_FEAT_POWER:
usbip_dbg_vhci_rh(
" SetPortFeature: USB_PORT_FEAT_POWER\n");
- if (rhport < 0)
+ if (invalid_rhport) {
+ pr_err("invalid port number %d\n", wIndex);
goto error;
+ }
if (hcd->speed == HCD_USB3)
vhci_hcd->port_status[rhport] |= USB_SS_PORT_STAT_POWER;
else
@@ -531,8 +550,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_BH_PORT_RESET:
usbip_dbg_vhci_rh(
" SetPortFeature: USB_PORT_FEAT_BH_PORT_RESET\n");
- if (rhport < 0)
+ if (invalid_rhport) {
+ pr_err("invalid port number %d\n", wIndex);
goto error;
+ }
/* Applicable only for USB3.0 hub */
if (hcd->speed != HCD_USB3) {
pr_err("USB_PORT_FEAT_BH_PORT_RESET req not "
@@ -543,8 +564,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_RESET:
usbip_dbg_vhci_rh(
" SetPortFeature: USB_PORT_FEAT_RESET\n");
- if (rhport < 0)
+ if (invalid_rhport) {
+ pr_err("invalid port number %d\n", wIndex);
goto error;
+ }
/* if it's already enabled, disable */
if (hcd->speed == HCD_USB3) {
vhci_hcd->port_status[rhport] = 0;
@@ -565,8 +588,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
default:
usbip_dbg_vhci_rh(" SetPortFeature: default %d\n",
wValue);
- if (rhport < 0)
+ if (invalid_rhport) {
+ pr_err("invalid port number %d\n", wIndex);
goto error;
+ }
if (hcd->speed == HCD_USB3) {
if ((vhci_hcd->port_status[rhport] &
USB_SS_PORT_STAT_POWER) != 0) {
@@ -608,7 +633,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
if (usbip_dbg_flag_vhci_rh) {
pr_debug("port %d\n", rhport);
/* Only dump valid port status */
- if (rhport >= 0) {
+ if (!invalid_rhport) {
dump_port_status_diff(prev_port_status[rhport],
vhci_hcd->port_status[rhport],
hcd->speed == HCD_USB3);
@@ -618,8 +643,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,

spin_unlock_irqrestore(&vhci->lock, flags);

- if ((vhci_hcd->port_status[rhport] & PORT_C_MASK) != 0)
+ if (!invalid_rhport &&
+ (vhci_hcd->port_status[rhport] & PORT_C_MASK) != 0) {
usb_hcd_poll_rh_status(hcd);
+ }

return retval;
}
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index af2b17b21b94..95983c744164 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -343,7 +343,7 @@ static int cachefiles_bury_object(struct cachefiles_cache *cache,
trap = lock_rename(cache->graveyard, dir);

/* do some checks before getting the grave dentry */
- if (rep->d_parent != dir) {
+ if (rep->d_parent != dir || IS_DEADDIR(d_inode(rep))) {
/* the entry was probably culled when we dropped the parent dir
* lock */
unlock_rename(cache->graveyard, dir);
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 83bfe04456b6..c550512ce335 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -70,20 +70,7 @@ void fscache_free_cookie(struct fscache_cookie *cookie)
}

/*
- * initialise an cookie jar slab element prior to any use
- */
-void fscache_cookie_init_once(void *_cookie)
-{
- struct fscache_cookie *cookie = _cookie;
-
- memset(cookie, 0, sizeof(*cookie));
- spin_lock_init(&cookie->lock);
- spin_lock_init(&cookie->stores_lock);
- INIT_HLIST_HEAD(&cookie->backing_objects);
-}
-
-/*
- * Set the index key in a cookie. The cookie struct has space for a 12-byte
+ * Set the index key in a cookie. The cookie struct has space for a 16-byte
* key plus length and hash, but if that's not big enough, it's instead a
* pointer to a buffer containing 3 bytes of hash, 1 byte of length and then
* the key data.
@@ -93,20 +80,18 @@ static int fscache_set_key(struct fscache_cookie *cookie,
{
unsigned long long h;
u32 *buf;
+ int bufs;
int i;

- cookie->key_len = index_key_len;
+ bufs = DIV_ROUND_UP(index_key_len, sizeof(*buf));

if (index_key_len > sizeof(cookie->inline_key)) {
- buf = kzalloc(index_key_len, GFP_KERNEL);
+ buf = kcalloc(bufs, sizeof(*buf), GFP_KERNEL);
if (!buf)
return -ENOMEM;
cookie->key = buf;
} else {
buf = (u32 *)cookie->inline_key;
- buf[0] = 0;
- buf[1] = 0;
- buf[2] = 0;
}

memcpy(buf, index_key, index_key_len);
@@ -116,7 +101,8 @@ static int fscache_set_key(struct fscache_cookie *cookie,
*/
h = (unsigned long)cookie->parent;
h += index_key_len + cookie->type;
- for (i = 0; i < (index_key_len + sizeof(u32) - 1) / sizeof(u32); i++)
+
+ for (i = 0; i < bufs; i++)
h += buf[i];

cookie->key_hash = h ^ (h >> 32);
@@ -161,7 +147,7 @@ struct fscache_cookie *fscache_alloc_cookie(
struct fscache_cookie *cookie;

/* allocate and initialise a cookie */
- cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL);
+ cookie = kmem_cache_zalloc(fscache_cookie_jar, GFP_KERNEL);
if (!cookie)
return NULL;

@@ -192,6 +178,9 @@ struct fscache_cookie *fscache_alloc_cookie(
cookie->netfs_data = netfs_data;
cookie->flags = (1 << FSCACHE_COOKIE_NO_DATA_YET);
cookie->type = def->type;
+ spin_lock_init(&cookie->lock);
+ spin_lock_init(&cookie->stores_lock);
+ INIT_HLIST_HEAD(&cookie->backing_objects);

/* radix tree insertion won't use the preallocation pool unless it's
* told it may not wait */
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index f83328a7f048..d6209022e965 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -51,7 +51,6 @@ extern struct fscache_cache *fscache_select_cache_for_object(
extern struct kmem_cache *fscache_cookie_jar;

extern void fscache_free_cookie(struct fscache_cookie *);
-extern void fscache_cookie_init_once(void *);
extern struct fscache_cookie *fscache_alloc_cookie(struct fscache_cookie *,
const struct fscache_cookie_def *,
const void *, size_t,
diff --git a/fs/fscache/main.c b/fs/fscache/main.c
index 7dce110bf17d..30ad89db1efc 100644
--- a/fs/fscache/main.c
+++ b/fs/fscache/main.c
@@ -143,9 +143,7 @@ static int __init fscache_init(void)

fscache_cookie_jar = kmem_cache_create("fscache_cookie_jar",
sizeof(struct fscache_cookie),
- 0,
- 0,
- fscache_cookie_init_once);
+ 0, 0, NULL);
if (!fscache_cookie_jar) {
pr_notice("Failed to allocate a cookie jar\n");
ret = -ENOMEM;
diff --git a/fs/ioctl.c b/fs/ioctl.c
index b445b13fc59b..5444fec607ce 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -229,7 +229,7 @@ static long ioctl_file_clone(struct file *dst_file, unsigned long srcfd,
ret = -EXDEV;
if (src_file.file->f_path.mnt != dst_file->f_path.mnt)
goto fdput;
- ret = do_clone_file_range(src_file.file, off, dst_file, destoff, olen);
+ ret = vfs_clone_file_range(src_file.file, off, dst_file, destoff, olen);
fdput:
fdput(src_file);
return ret;
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index b0555d7d8200..613d2fe2dddd 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -541,7 +541,8 @@ __be32 nfsd4_set_nfs4_label(struct svc_rqst *rqstp, struct svc_fh *fhp,
__be32 nfsd4_clone_file_range(struct file *src, u64 src_pos, struct file *dst,
u64 dst_pos, u64 count)
{
- return nfserrno(do_clone_file_range(src, src_pos, dst, dst_pos, count));
+ return nfserrno(vfs_clone_file_range(src, src_pos, dst, dst_pos,
+ count));
}

ssize_t nfsd_copy_file_range(struct file *src, u64 src_pos, struct file *dst,
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index ddaddb4ce4c3..26b477f2538d 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -156,7 +156,7 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len)
}

/* Try to use clone_file_range to clone up within the same fs */
- error = vfs_clone_file_range(old_file, 0, new_file, 0, len);
+ error = do_clone_file_range(old_file, 0, new_file, 0, len);
if (!error)
goto out;
/* Couldn't clone, so now we try to copy the data */
diff --git a/fs/read_write.c b/fs/read_write.c
index 153f8f690490..c9d489684335 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1818,8 +1818,8 @@ int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,
}
EXPORT_SYMBOL(vfs_clone_file_prep_inodes);

-int vfs_clone_file_range(struct file *file_in, loff_t pos_in,
- struct file *file_out, loff_t pos_out, u64 len)
+int do_clone_file_range(struct file *file_in, loff_t pos_in,
+ struct file *file_out, loff_t pos_out, u64 len)
{
struct inode *inode_in = file_inode(file_in);
struct inode *inode_out = file_inode(file_out);
@@ -1866,6 +1866,19 @@ int vfs_clone_file_range(struct file *file_in, loff_t pos_in,

return ret;
}
+EXPORT_SYMBOL(do_clone_file_range);
+
+int vfs_clone_file_range(struct file *file_in, loff_t pos_in,
+ struct file *file_out, loff_t pos_out, u64 len)
+{
+ int ret;
+
+ file_start_write(file_out);
+ ret = do_clone_file_range(file_in, pos_in, file_out, pos_out, len);
+ file_end_write(file_out);
+
+ return ret;
+}
EXPORT_SYMBOL(vfs_clone_file_range);

/*
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index b25d12ef120a..e3c404833115 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -214,9 +214,9 @@ struct detailed_timing {
#define DRM_EDID_HDMI_DC_Y444 (1 << 3)

/* YCBCR 420 deep color modes */
-#define DRM_EDID_YCBCR420_DC_48 (1 << 6)
-#define DRM_EDID_YCBCR420_DC_36 (1 << 5)
-#define DRM_EDID_YCBCR420_DC_30 (1 << 4)
+#define DRM_EDID_YCBCR420_DC_48 (1 << 2)
+#define DRM_EDID_YCBCR420_DC_36 (1 << 1)
+#define DRM_EDID_YCBCR420_DC_30 (1 << 0)
#define DRM_EDID_YCBCR420_DC_MASK (DRM_EDID_YCBCR420_DC_48 | \
DRM_EDID_YCBCR420_DC_36 | \
DRM_EDID_YCBCR420_DC_30)
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 38b04f559ad3..1fd6fa822d2c 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -50,6 +50,9 @@ struct bpf_reg_state {
* PTR_TO_MAP_VALUE_OR_NULL
*/
struct bpf_map *map_ptr;
+
+ /* Max size from any of the above. */
+ unsigned long raw;
};
/* Fixed part of pointer offset, pointer types only */
s32 off;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a3afa50bb79f..e73363bd8646 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1813,8 +1813,10 @@ extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *,
extern int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in,
struct inode *inode_out, loff_t pos_out,
u64 *len, bool is_dedupe);
+extern int do_clone_file_range(struct file *file_in, loff_t pos_in,
+ struct file *file_out, loff_t pos_out, u64 len);
extern int vfs_clone_file_range(struct file *file_in, loff_t pos_in,
- struct file *file_out, loff_t pos_out, u64 len);
+ struct file *file_out, loff_t pos_out, u64 len);
extern int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff,
struct inode *dest, loff_t destoff,
loff_t len, bool *is_same);
@@ -2755,19 +2757,6 @@ static inline void file_end_write(struct file *file)
__sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE);
}

-static inline int do_clone_file_range(struct file *file_in, loff_t pos_in,
- struct file *file_out, loff_t pos_out,
- u64 len)
-{
- int ret;
-
- file_start_write(file_out);
- ret = vfs_clone_file_range(file_in, pos_in, file_out, pos_out, len);
- file_end_write(file_out);
-
- return ret;
-}
-
/*
* get_write_access() gets write permission for a file.
* put_write_access() releases this write permission.
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 82e8edef6ea0..b000686fa1a1 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -2731,7 +2731,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
dst_reg->umax_value = umax_ptr;
dst_reg->var_off = ptr_reg->var_off;
dst_reg->off = ptr_reg->off + smin_val;
- dst_reg->range = ptr_reg->range;
+ dst_reg->raw = ptr_reg->raw;
break;
}
/* A new variable offset is created. Note that off_reg->off
@@ -2761,10 +2761,11 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
}
dst_reg->var_off = tnum_add(ptr_reg->var_off, off_reg->var_off);
dst_reg->off = ptr_reg->off;
+ dst_reg->raw = ptr_reg->raw;
if (reg_is_pkt_pointer(ptr_reg)) {
dst_reg->id = ++env->id_gen;
/* something was added to pkt_ptr, set range to zero */
- dst_reg->range = 0;
+ dst_reg->raw = 0;
}
break;
case BPF_SUB:
@@ -2793,7 +2794,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
dst_reg->var_off = ptr_reg->var_off;
dst_reg->id = ptr_reg->id;
dst_reg->off = ptr_reg->off - smin_val;
- dst_reg->range = ptr_reg->range;
+ dst_reg->raw = ptr_reg->raw;
break;
}
/* A new variable offset is created. If the subtrahend is known
@@ -2819,11 +2820,12 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
}
dst_reg->var_off = tnum_sub(ptr_reg->var_off, off_reg->var_off);
dst_reg->off = ptr_reg->off;
+ dst_reg->raw = ptr_reg->raw;
if (reg_is_pkt_pointer(ptr_reg)) {
dst_reg->id = ++env->id_gen;
/* something was added to pkt_ptr, set range to zero */
if (smin_val < 0)
- dst_reg->range = 0;
+ dst_reg->raw = 0;
}
break;
case BPF_AND:
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 26526fc41f0d..b27b9509ea89 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4797,9 +4797,13 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq)

/*
* Add to the _head_ of the list, so that an already-started
- * distribute_cfs_runtime will not see us
+ * distribute_cfs_runtime will not see us. If disribute_cfs_runtime is
+ * not running add to the tail so that later runqueues don't get starved.
*/
- list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq);
+ if (cfs_b->distribute_running)
+ list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq);
+ else
+ list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq);

/*
* If we're the first throttled task, make sure the bandwidth
@@ -4943,14 +4947,16 @@ static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun)
* in us over-using our runtime if it is all used during this loop, but
* only by limited amounts in that extreme case.
*/
- while (throttled && cfs_b->runtime > 0) {
+ while (throttled && cfs_b->runtime > 0 && !cfs_b->distribute_running) {
runtime = cfs_b->runtime;
+ cfs_b->distribute_running = 1;
raw_spin_unlock(&cfs_b->lock);
/* we can't nest cfs_b->lock while distributing bandwidth */
runtime = distribute_cfs_runtime(cfs_b, runtime,
runtime_expires);
raw_spin_lock(&cfs_b->lock);

+ cfs_b->distribute_running = 0;
throttled = !list_empty(&cfs_b->throttled_cfs_rq);

cfs_b->runtime -= min(runtime, cfs_b->runtime);
@@ -5061,6 +5067,11 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)

/* confirm we're still not at a refresh boundary */
raw_spin_lock(&cfs_b->lock);
+ if (cfs_b->distribute_running) {
+ raw_spin_unlock(&cfs_b->lock);
+ return;
+ }
+
if (runtime_refresh_within(cfs_b, min_bandwidth_expiration)) {
raw_spin_unlock(&cfs_b->lock);
return;
@@ -5070,6 +5081,9 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
runtime = cfs_b->runtime;

expires = cfs_b->runtime_expires;
+ if (runtime)
+ cfs_b->distribute_running = 1;
+
raw_spin_unlock(&cfs_b->lock);

if (!runtime)
@@ -5080,6 +5094,7 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
raw_spin_lock(&cfs_b->lock);
if (expires == cfs_b->runtime_expires)
cfs_b->runtime -= min(runtime, cfs_b->runtime);
+ cfs_b->distribute_running = 0;
raw_spin_unlock(&cfs_b->lock);
}

@@ -5188,6 +5203,7 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b)
cfs_b->period_timer.function = sched_cfs_period_timer;
hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
cfs_b->slack_timer.function = sched_cfs_slack_timer;
+ cfs_b->distribute_running = 0;
}

static void init_cfs_rq_runtime(struct cfs_rq *cfs_rq)
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index c7742dcc136c..4565c3f9ecc5 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -346,6 +346,8 @@ struct cfs_bandwidth {
int nr_periods;
int nr_throttled;
u64 throttled_time;
+
+ bool distribute_running;
#endif
};

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index aae18af94c94..6c78bc2b7fff 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -747,16 +747,30 @@ static void free_synth_field(struct synth_field *field)
kfree(field);
}

-static struct synth_field *parse_synth_field(char *field_type,
- char *field_name)
+static struct synth_field *parse_synth_field(int argc, char **argv,
+ int *consumed)
{
struct synth_field *field;
+ const char *prefix = NULL;
+ char *field_type = argv[0], *field_name;
int len, ret = 0;
char *array;

if (field_type[0] == ';')
field_type++;

+ if (!strcmp(field_type, "unsigned")) {
+ if (argc < 3)
+ return ERR_PTR(-EINVAL);
+ prefix = "unsigned ";
+ field_type = argv[1];
+ field_name = argv[2];
+ *consumed = 3;
+ } else {
+ field_name = argv[1];
+ *consumed = 2;
+ }
+
len = strlen(field_name);
if (field_name[len - 1] == ';')
field_name[len - 1] = '\0';
@@ -769,11 +783,15 @@ static struct synth_field *parse_synth_field(char *field_type,
array = strchr(field_name, '[');
if (array)
len += strlen(array);
+ if (prefix)
+ len += strlen(prefix);
field->type = kzalloc(len, GFP_KERNEL);
if (!field->type) {
ret = -ENOMEM;
goto free;
}
+ if (prefix)
+ strcat(field->type, prefix);
strcat(field->type, field_type);
if (array) {
strcat(field->type, array);
@@ -1018,7 +1036,7 @@ static int create_synth_event(int argc, char **argv)
struct synth_field *field, *fields[SYNTH_FIELDS_MAX];
struct synth_event *event = NULL;
bool delete_event = false;
- int i, n_fields = 0, ret = 0;
+ int i, consumed = 0, n_fields = 0, ret = 0;
char *name;

mutex_lock(&synth_event_mutex);
@@ -1070,16 +1088,16 @@ static int create_synth_event(int argc, char **argv)
goto err;
}

- field = parse_synth_field(argv[i], argv[i + 1]);
+ field = parse_synth_field(argc - i, &argv[i], &consumed);
if (IS_ERR(field)) {
ret = PTR_ERR(field);
goto err;
}
- fields[n_fields] = field;
- i++; n_fields++;
+ fields[n_fields++] = field;
+ i += consumed - 1;
}

- if (i < argc) {
+ if (i < argc && strcmp(argv[i], ";") != 0) {
ret = -EINVAL;
goto err;
}