From f36f21ecca9ee688301174e5f2e0827827a7a7ff Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Mon, 12 May 2008 14:02:33 -0700
Subject: Fix misuses of bdevname()

bdevname() fills the buffer that it is given as a parameter, so calling
strcpy() or snprintf() on the returned value is redundant (and probably not
guaranteed to work - I don't think strcpy and snprintf support overlapping
buffers.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 block/blktrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'block/blktrace.c')

diff --git a/block/blktrace.c b/block/blktrace.c
index 568588cd16b2..b2cbb4e5d767 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -476,7 +476,7 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg)
 
 	switch (cmd) {
 	case BLKTRACESETUP:
-		strcpy(b, bdevname(bdev, b));
+		bdevname(bdev, b);
 		ret = blk_trace_setup(q, b, bdev->bd_dev, arg);
 		break;
 	case BLKTRACESTART:
-- 
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