udf: fix udf_debug macro
authorMarcin Slusarz <marcin.slusarz@gmail.com>
Fri, 8 Feb 2008 12:20:46 +0000 (04:20 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Fri, 8 Feb 2008 17:22:35 +0000 (09:22 -0800)
commit756fa92f4d725698ffa4ac1faeb8f4e8cdb6cd95
tree383d23fde3e040ac4dabdf0d418e7b04ac5fc1c8
parent48d6d8ff7dca804536298e517298182c4a51c421
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>
include/linux/udf_fs.h