From: Thomas Meyer <thomas@m3y3r.de>
Date: Thu, 17 Nov 2011 12:43:40 +0000 (+0000)
Subject: irttp: Use kmemdup rather than duplicating its implementation
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8524b001a21747c7df5c5a8404f0fbf45661ea44;p=openwrt%2Fstaging%2Fblogic.git

irttp: 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@m3y3r.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 32e3bb026110..5c93f2952b08 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -1461,14 +1461,12 @@ struct tsap_cb *irttp_dup(struct tsap_cb *orig, void *instance)
 	}
 
 	/* Allocate a new instance */
-	new = kmalloc(sizeof(struct tsap_cb), GFP_ATOMIC);
+	new = kmemdup(orig, sizeof(struct tsap_cb), GFP_ATOMIC);
 	if (!new) {
 		IRDA_DEBUG(0, "%s(), unable to kmalloc\n", __func__);
 		spin_unlock_irqrestore(&irttp->tsaps->hb_spinlock, flags);
 		return NULL;
 	}
-	/* Dup */
-	memcpy(new, orig, sizeof(struct tsap_cb));
 	spin_lock_init(&new->lock);
 
 	/* We don't need the old instance any more */