Commit 41b21aeb authored May 10, 2011 by Niels de Vos Committed by Tomi Valkeinen May 11, 2011

OMAP: DSS2: OMAPFB: make DBG() more resistant in if-else constructions



When DBG() is used in a simple if-else, the resulting code path
currently depends on the definition of DBG(). Inserting the statement in
a "do { ... } while (0)" prevents this possible misuse.

Signed-off-by: Niels de Vos <ndevos@redhat.com>
[tomi.valkeinen@ti.com: changed the title of the commit msg]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

parent 0d548a27

drivers/video/omap2/omapfb/omapfb.h

+4 −2

Original line number	Diff line number	Diff line
		@@ -34,8 +34,10 @@
		#ifdef DEBUG
		extern unsigned int omapfb_debug;
		#define DBG(format, ...) \
		do { \
		if (omapfb_debug) \
		printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__)
		printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__); \
		} while (0)
		#else
		#define DBG(format, ...)
		#endif