linux-kernel - [PATCH] aoe: Use kmemdup rather than duplicating its implementation

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Message-ID: <1321569820.1624.279.camel@localhost.localdomain>
Date:	Thu, 17 Nov 2011 23:43:40 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] aoe: Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
--- a/drivers/block/aoe/aoechr.c 2011-11-07 19:39:05.287793252 +0100
+++ b/drivers/block/aoe/aoechr.c 2011-11-08 10:37:35.225430670 +0100
@@ -134,13 +134,12 @@ bail:		spin_unlock_irqrestore(&emsgs_loc
 		return;
 	}
 
-	mp = kmalloc(n, GFP_ATOMIC);
+	mp = kmemdup(msg, n, GFP_ATOMIC);
 	if (mp == NULL) {
 		printk(KERN_ERR "aoe: allocation failure, len=%ld\n", n);
 		goto bail;
 	}
 
-	memcpy(mp, msg, n);
 	em->msg = mp;
 	em->flags |= EMFL_VALID;
 	em->len = n;
--
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