ozwpan: replace kfree_skb with dev_kfree_skb in ozpd.c

This patch replaces the calls to kfree_skb with
calls to dev_kfree_skb.
Signed-off-by: NXenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ozwpan/ozpd.c

@@ -207,7 +207,7 @@ void oz_pd_destroy(struct oz_pd *pd)
 		f = container_of(e, struct oz_tx_frame, link);
 		e = e->next;
 		if (f->skb != NULL)
-			kfree_skb(f->skb);
+			dev_kfree_skb(f->skb);
 		oz_retire_frame(pd, f);
 	}
 	oz_elt_buf_term(&pd->elt_buff);
@@ -491,7 +491,7 @@ static struct sk_buff *oz_build_frame(struct oz_pd *pd, struct oz_tx_frame *f)
 	}
 	return skb;
 fail:
-	kfree_skb(skb);
+	dev_kfree_skb(skb);
 	return NULL;
 }
 /*------------------------------------------------------------------------------
@@ -553,7 +553,7 @@ static int oz_send_next_queued_frame(struct oz_pd *pd, int more_data)
 						pd->nb_queued_isoc_frames);
 			return 0;
 		} else {
-			kfree_skb(skb);
+			dev_kfree_skb(skb);
 			oz_trace2(OZ_TRACE_TX_FRAMES, "Dropping ISOC Frame>\n");
 			oz_event_log(OZ_EVT_TX_ISOC_DROP, 0, 0, NULL, 0);
 			return -1;
@@ -645,7 +645,7 @@ static int oz_send_isoc_frame(struct oz_pd *pd)
 	skb->protocol = htons(OZ_ETHERTYPE);
 	if (dev_hard_header(skb, dev, OZ_ETHERTYPE, pd->mac_addr,
 		dev->dev_addr, skb->len) < 0) {
-		kfree_skb(skb);
+		dev_kfree_skb(skb);
 		return -1;
 	}
 	oz_hdr = (struct oz_hdr *)skb_put(skb, total_size);
@@ -744,7 +744,7 @@ int oz_isoc_stream_create(struct oz_pd *pd, u8 ep_num)
  */
 static void oz_isoc_stream_free(struct oz_isoc_stream *st)
 {
-	kfree_skb(st->skb);
+	dev_kfree_skb(st->skb);
 	kfree(st);
 }
 /*------------------------------------------------------------------------------
@@ -880,7 +880,7 @@ int oz_send_isoc_unit(struct oz_pd *pd, u8 ep_num, const u8 *data, int len)
 		}
 
 out:	oz_event_log(OZ_EVT_TX_ISOC_DROP, 0, 0, NULL, 0);
-	kfree_skb(skb);
+	dev_kfree_skb(skb);
 	return -1;
 
 	}