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usb: storage: Convert usb_stor_dbg to return void

PATCH New Joe Perches 1 participant 1 message Oct 21, 2014

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USB USB mass storage driver
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Joe Perches

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PATCH 1/1 usb: storage: Convert usb_stor_dbg to return void

No caller or macro uses the return value so make it void.

Signed-off-by Joe Perches <[email protected]>

---
This change is associated to a desire to eventually change printk to return void.

 drivers/usb/storage/debug.c |  7 ++-----
 drivers/usb/storage/debug.h | 10 ++++++----
 2 files changed, 8 insertions(+), 9 deletions(-)
drivers/usb/storage/debug.c +2 -5
index e08f647..05bc379 100644
@@ -179,17 +179,14 @@ void usb_stor_show_sense(const struct us_data *us,
 	US_DEBUGPX("\n");
 }
 
-int usb_stor_dbg(const struct us_data *us, const char *fmt, ...)
+void usb_stor_dbg(const struct us_data *us, const char *fmt, ...)
 {
 	va_list args;
-	int r;
 
 	va_start(args, fmt);
 
-	r = dev_vprintk_emit(7, &us->pusb_dev->dev, fmt, args);
+	dev_vprintk_emit(7, &us->pusb_dev->dev, fmt, args);
 
 	va_end(args);
-
-	return r;
 }
 EXPORT_SYMBOL_GPL(usb_stor_dbg);
drivers/usb/storage/debug.h +6 -4
index b1273f0..f525203 100644
@@ -50,15 +50,17 @@
 void usb_stor_show_command(const struct us_data *us, struct scsi_cmnd *srb);
 void usb_stor_show_sense(const struct us_data *us, unsigned char key,
 			 unsigned char asc, unsigned char ascq);
-__printf(2, 3) int usb_stor_dbg(const struct us_data *us,
-				const char *fmt, ...);
+__printf(2, 3) void usb_stor_dbg(const struct us_data *us,
+				 const char *fmt, ...);
 
 #define US_DEBUGPX(fmt, ...)	printk(fmt, ##__VA_ARGS__)
 #define US_DEBUG(x)		x
 #else
 __printf(2, 3)
-static inline int _usb_stor_dbg(const struct us_data *us,
-				const char *fmt, ...) {return 1;}
+static inline void _usb_stor_dbg(const struct us_data *us,
+				 const char *fmt, ...)
+{
+}
 #define usb_stor_dbg(us, fmt, ...)				\
 	do { if (0) _usb_stor_dbg(us, fmt, ##__VA_ARGS__); } while (0)
 #define US_DEBUGPX(fmt, ...)					\