Commit 756fa92f authored Feb 08, 2008 by Marcin Slusarz Committed by Linus Torvalds Feb 08, 2008

udf: fix udf_debug macro



udf_debug should be enclosed with do { } while (0)
to be safely used in code like below:
if (something)
	udf_debug();
else
	anything;
(Otherwise compiler will not compile it with:
"error: expected expression before 'else'")

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 48d6d8ff

include/linux/udf_fs.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -39,11 +39,11 @@

		#ifdef UDFFS_DEBUG
		#define udf_debug(f, a...) \
		{ \
		do { \
		printk (KERN_DEBUG "UDF-fs DEBUG %s:%d:%s: ", \
		__FILE__, __LINE__, __FUNCTION__); \
		printk (f, ##a); \
		}
		} while (0)
		#else
		#define udf_debug(f, a...) /**/
		#endif

Admin message