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authorJoe Perches <joe@perches.com>2010-02-06 05:09:49 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-03 01:54:59 +0300
commitefcbd3df079a6f8a8a2d5207c4e8429e02356c79 (patch)
tree6910757b12b230add2afd3b5347818ed2343b991 /include/linux/usb.h
parentf45ba776da4fe6c9a9eddd42b0fd5d1f15c260f3 (diff)
downloadlinux-efcbd3df079a6f8a8a2d5207c4e8429e02356c79.tar.xz
USB: Extend and neaten dbg macros
Add format/argument validation for #ifndef DEBUG dbg macro Neaten dbg macro definitions Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index ad50fc8a7ad3..3492abf82e75 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1566,14 +1566,18 @@ extern void usb_register_notify(struct notifier_block *nb);
extern void usb_unregister_notify(struct notifier_block *nb);
#ifdef DEBUG
-#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , \
- __FILE__ , ## arg)
+#define dbg(format, arg...) \
+ printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg)
#else
-#define dbg(format, arg...) do {} while (0)
+#define dbg(format, arg...) \
+do { \
+ if (0) \
+ printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg); \
+} while (0)
#endif
-#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
- format "\n" , ## arg)
+#define err(format, arg...) \
+ printk(KERN_ERR KBUILD_MODNAME ": " format "\n", ##arg)
/* debugfs stuff */
extern struct dentry *usb_debug_root;