From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Aleksandr Burakov <a.burakov@rosalinux.ru>,
Helge Deller <deller@gmx.de>, Sasha Levin <sashal@kernel.org>,
FlorianSchandinat@gmx.de, linux-fbdev@vger.kernel.org,
dri-devel@lists.freedesktop.org
Subject: [PATCH AUTOSEL 6.8 21/28] fbdev: viafb: fix typo in hw_bitblt_1 and hw_bitblt_2
Date: Wed, 3 Apr 2024 13:16:23 -0400 [thread overview]
Message-ID: <20240403171656.335224-21-sashal@kernel.org> (raw)
In-Reply-To: <20240403171656.335224-1-sashal@kernel.org>
From: Aleksandr Burakov <a.burakov@rosalinux.ru>
[ Upstream commit bc87bb342f106a0402186bcb588fcbe945dced4b ]
There are some actions with value 'tmp' but 'dst_addr' is checked instead.
It is obvious that a copy-paste error was made here and the value
of variable 'tmp' should be checked here.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Aleksandr Burakov <a.burakov@rosalinux.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/video/fbdev/via/accel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/via/accel.c b/drivers/video/fbdev/via/accel.c
index 0a1bc7a4d7853..1e04026f08091 100644
--- a/drivers/video/fbdev/via/accel.c
+++ b/drivers/video/fbdev/via/accel.c
@@ -115,7 +115,7 @@ static int hw_bitblt_1(void __iomem *engine, u8 op, u32 width, u32 height,
if (op != VIA_BITBLT_FILL) {
tmp = src_mem ? 0 : src_addr;
- if (dst_addr & 0xE0000007) {
+ if (tmp & 0xE0000007) {
printk(KERN_WARNING "hw_bitblt_1: Unsupported source "
"address %X\n", tmp);
return -EINVAL;
@@ -260,7 +260,7 @@ static int hw_bitblt_2(void __iomem *engine, u8 op, u32 width, u32 height,
writel(tmp, engine + 0x18);
tmp = src_mem ? 0 : src_addr;
- if (dst_addr & 0xE0000007) {
+ if (tmp & 0xE0000007) {
printk(KERN_WARNING "hw_bitblt_2: Unsupported source "
"address %X\n", tmp);
return -EINVAL;
--
2.43.0
next prev parent reply other threads:[~2024-04-03 17:17 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-03 17:16 [PATCH AUTOSEL 6.8 01/28] tools: iio: replace seekdir() in iio_generic_buffer Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 02/28] usb: storage: sddr55: fix sloppy typing in sddr55_{read|write}_data() Sasha Levin
2024-04-03 18:10 ` Sergey Shtylyov
2024-04-08 2:11 ` Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 03/28] serial: qcom-geni: Don't cancel/abort if we can't get the port lock Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 04/28] bus: mhi: host: Add MHI_PM_SYS_ERR_FAIL state Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 05/28] kernfs: RCU protect kernfs_nodes and avoid kernfs_idr_lock in kernfs_find_and_get_node_by_id() Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 06/28] usb: typec: ucsi: Add qcm6490-pmic-glink as needing PDOS quirk Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 07/28] thunderbolt: Calculate DisplayPort tunnel bandwidth after DPRX capabilities read Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 08/28] usb: gadget: uvc: refactor the check for a valid buffer in the pump worker Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 09/28] usb: gadget: uvc: mark incomplete frames with UVC_STREAM_ERR Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 10/28] usb: typec: ucsi: Limit read size on v1.2 Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 11/28] serial: 8250_of: Drop quirk fot NPCM from 8250_port Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 12/28] thunderbolt: Keep the domain powered when USB4 port is in redrive mode Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 13/28] usb: typec: tcpci: add generic tcpci fallback compatible Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 14/28] usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 15/28] ASoC: amd: yc: Fix non-functional mic on ASUS M7600RE Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 16/28] thermal/of: Assume polling-delay(-passive) 0 when absent Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 17/28] ASoC: soc-core.c: Skip dummy codec when adding platforms Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 18/28] x86/xen: attempt to inflate the memory balloon on PVH Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 19/28] ASoC: amd: yc: Revert "Fix non-functional mic on Lenovo 21J2" Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 20/28] ASoC: amd: yc: Revert "add new YC platform variant (0x63) support" Sasha Levin
2024-04-03 17:16 ` Sasha Levin [this message]
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 22/28] io_uring: clear opcode specific data for an early failure Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 23/28] modpost: fix null pointer dereference Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 24/28] drivers/nvme: Add quirks for device 126f:2262 Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 25/28] fbmon: prevent division by zero in fb_videomode_from_videomode() Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 26/28] ALSA: hda/realtek: Add quirks for some Clevo laptops Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 27/28] drm/amdgpu: fix use-after-free bug Sasha Levin
2024-04-03 17:16 ` [PATCH AUTOSEL 6.8 28/28] drm/amdgpu: Init zone device and drm client after mode-1 reset on reload Sasha Levin
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