[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>

1 files changed, 6 insertions, 5 deletions

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 49c51c5f1a86..7a3ccb8a6698 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -306,7 +306,8 @@ static inline void irttp_fragment_skb(struct tsap_cb *self,
                 IRDA_DEBUG(2, "%s(), fragmenting ...\n", __FUNCTION__);
 
                 /* Make new segment */
-                frag = dev_alloc_skb(self->max_seg_size+self->max_header_size);
+                frag = alloc_skb(self->max_seg_size+self->max_header_size,
+                                 GFP_ATOMIC);
                 if (!frag)
                         return;
 
@@ -805,7 +806,7 @@ static inline void irttp_give_credit(struct tsap_cb *self)
                    self->send_credit, self->avail_credit, self->remote_credit);
 
         /* Give credit to peer */
-        tx_skb = dev_alloc_skb(64);
+        tx_skb = alloc_skb(64, GFP_ATOMIC);
         if (!tx_skb)
                 return;
 
@@ -1094,7 +1095,7 @@ int irttp_connect_request(struct tsap_cb *self, __u8 dtsap_sel,
 
         /* Any userdata supplied? */
         if (userdata == NULL) {
-                tx_skb = dev_alloc_skb(64);
+                tx_skb = alloc_skb(64, GFP_ATOMIC);
                 if (!tx_skb)
                         return -ENOMEM;
 
@@ -1342,7 +1343,7 @@ int irttp_connect_response(struct tsap_cb *self, __u32 max_sdu_size,
 
         /* Any userdata supplied? */
         if (userdata == NULL) {
-                tx_skb = dev_alloc_skb(64);
+                tx_skb = alloc_skb(64, GFP_ATOMIC);
                 if (!tx_skb)
                         return -ENOMEM;
 
@@ -1541,7 +1542,7 @@ int irttp_disconnect_request(struct tsap_cb *self, struct sk_buff *userdata,
 
         if (!userdata) {
                 struct sk_buff *tx_skb;
-                tx_skb = dev_alloc_skb(64);
+                tx_skb = alloc_skb(64, GFP_ATOMIC);
                 if (!tx_skb)
                         return -ENOMEM;