linux-kernel - [PATCH 15/16] udf: fix udf

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Date:	Thu, 10 Jan 2008 23:06:31 +0100
From:	marcin.slusarz@...il.com
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Marcin Slusarz <marcin.slusarz@...il.com>, Jan Kara <jack@...e.cz>
Subject: [PATCH 15/16] 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@...il.com>
CC: Jan Kara <jack@...e.cz>
---
 include/linux/udf_fs.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/udf_fs.h b/include/linux/udf_fs.h
index 36c684e..c954527 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
-- 
1.5.3.7

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