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>
This commit is contained in:
Thomas Meyer 2011-11-17 12:43:40 +00:00 committed by David S. Miller
parent efd0bf97de
commit 8524b001a2

View File

@ -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 */