linux-kernel - [PATCH] elevator: remove unneeded kfree in error path of elevator

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Message-id: <005601d07d99$5dec4d20$19c4e760$@samsung.com>
Date:	Thu, 23 Apr 2015 15:44:09 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	axboe@...nel.dk
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] elevator: remove unneeded kfree in error path of elevator_alloc

In elevator_alloc, if we fail to allocate memory for storing elevator
queue, our eq pointer must be NULL, we do not need to release it in error
path, so remove it.

Signed-off-by: Chao Yu <chao2.yu@...sung.com>
---
 block/elevator.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/block/elevator.c b/block/elevator.c
index 59794d0..d146a5e 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -166,7 +166,6 @@ struct elevator_queue *elevator_alloc(struct request_queue *q,
 
 	return eq;
 err:
-	kfree(eq);
 	elevator_put(e);
 	return NULL;
 }
-- 
2.3.3


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