[IrDA]: Use alloc_skb() in IrDA TX path

As pointed out by Christoph Hellwig, dev_alloc_skb() is not intended to be
used for allocating TX sk_buff. The IrDA stack was exclusively calling
dev_alloc_skb() on the TX path, and this patch fixes that.

Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/iriap_event.c b/net/irda/iriap_event.c
index a736074..da17395 100644
--- a/net/irda/iriap_event.c
+++ b/net/irda/iriap_event.c
@@ -365,7 +365,7 @@
 
 	switch (event) {
 	case IAP_LM_CONNECT_INDICATION:
-		tx_skb = dev_alloc_skb(64);
+		tx_skb = alloc_skb(64, GFP_ATOMIC);
 		if (tx_skb == NULL) {
 			IRDA_WARNING("%s: unable to malloc!\n", __FUNCTION__);
 			return;