Merge remote-tracking branches 'asoc/fix/blackfin', 'asoc/fix/da9055', 'asoc/fix...

[firefly-linux-kernel-4.4.55.git] / drivers / net / can / dev.c

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 13a909822e25bf54d455c251ab9655f9554f00e9..fc59bc6f040b623fcc57ceb4af0bccad3a38281e 100644 (file)
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -323,19 +323,10 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
        }
 
        if (!priv->echo_skb[idx]) {
-               struct sock *srcsk = skb->sk;
 
-               if (atomic_read(&skb->users) != 1) {
-                       struct sk_buff *old_skb = skb;
-
-                       skb = skb_clone(old_skb, GFP_ATOMIC);
-                       kfree_skb(old_skb);
-                       if (!skb)
-                               return;
-               } else
-                       skb_orphan(skb);
-
-               skb->sk = srcsk;
+               skb = can_create_echo_skb(skb);
+               if (!skb)
+                       return;
 
                /* make settings for echo to reduce code in irq context */
                skb->protocol = htons(ETH_P_CAN);