[PATCH 46/46] dev_dbg: check dev_dbg() arguments

Greg Kroah-Hartman
2007-04-27T19:03:00Z

From: Dan Williams <dan.j.williams@intel.com>

Duplicate what Zach Brown did for pr_debug in commit
8b2a1fd1b394c60eaa2587716102dd5e9b4e5990

[akpm@linux-foundation.org: fix a couple of things which broke]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/core/hub.c | 4 +---
drivers/usb/host/ohci-hcd.c | 6 ------
include/linux/device.h | 6 +++++-
3 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b89a98e..7a60285 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -119,8 +119,7 @@ MODULE_PARM_DESC(use_both_schemes,
"first one fails");

-#ifdef DEBUG
-static inline char *portspeed (int portstatus)
+static inline char *portspeed(int portstatus)
{
if (portstatus & (1 << USB_PORT_FEAT_HIGHSPEED))
return "480 Mb/s";
@@ -129,7 +128,6 @@ static inline char *portspeed (int portstatus)
else
return "12 Mb/s";
}
-#endif

/* Note that hdev or one of its children must be locked! */
static inline struct usb_hub *hdev_to_hub(struct usb_device *hdev)
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index f0d29ed..e8bbe8b 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -486,9 +486,6 @@ static int ohci_run (struct ohci_hcd *ohci)
* or if bus glue did the same (e.g. for PCI add-in cards with
* PCI PM support).
*/
- ohci_dbg (ohci, "resetting from state '%s', control = 0x%x\n",
- hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS),
- ohci_readl (ohci, &ohci->regs->control));
if ((ohci->hc_control & OHCI_CTRL_RWC) != 0
&& !device_may_wakeup(hcd->self.controller))
device_init_wakeup(hcd->self.controller, 1);
@@ -744,9 +741,6 @@ static void ohci_stop (struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);

- ohci_dbg (ohci, "stop %s controller (state 0x%02x)\n",
- hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS),
- hcd->state);
ohci_dump (ohci, 1);

flush_scheduled_work();
diff --git a/include/linux/device.h b/include/linux/device.h
index 8511d14..a0cd2ce 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -571,7 +571,11 @@ extern const char *dev_driver_string(struct device *dev);
#define dev_dbg(dev, format, arg...) \
dev_printk(KERN_DEBUG , dev , format , ## arg)
#else
-#define dev_dbg(dev, format, arg...) do { (void)(dev); } while (0)
+static inline int __attribute__ ((format (printf, 2, 3)))
+dev_dbg(struct device * dev, const char * fmt, ...)
+{
+ return 0;
+}
#endif

#define dev_err(dev, format, arg...) \
--
1.5.1.2