[PATCH][next] blktrace: remove redundant assignment to ret

[Colin King]

From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Variable ret is being assigned a value that is never read, hence
the assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
 kernel/trace/blktrace.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 2d6e93ab0478..ae7c63d6782c 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -507,8 +507,6 @@ static int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
 	if (!bt->msg_data)
 		goto err;
 
-	ret = -ENOENT;
-
 	dir = debugfs_lookup(buts->name, blk_debugfs_root);
 	if (!dir)
 		bt->dir = dir = debugfs_create_dir(buts->name, blk_debugfs_root);
-- 
2.20.1