From 756fa92f4d725698ffa4ac1faeb8f4e8cdb6cd95 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Fri, 8 Feb 2008 04:20:46 -0800
Subject: [PATCH] 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 | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/udf_fs.h b/include/linux/udf_fs.h
index 36c684e1b1104..c954527a41be9 100644
--- a/include/linux/udf_fs.h
+++ b/include/linux/udf_fs.h
@@ -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
--
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