myri10ge: fix an incorrect free for skb in myri10ge_sw_tso
authorXiaomeng Tong <xiam0nd.tong@gmail.com>
Wed, 6 Apr 2022 03:55:56 +0000 (11:55 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 6 Apr 2022 14:29:18 +0000 (15:29 +0100)
All remaining skbs should be released when myri10ge_xmit fails to
transmit a packet. Fix it within another skb_list_walk_safe.

Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/myricom/myri10ge/myri10ge.c

index 50ac3ee..21d2645 100644 (file)
@@ -2903,11 +2903,9 @@ static netdev_tx_t myri10ge_sw_tso(struct sk_buff *skb,
                status = myri10ge_xmit(curr, dev);
                if (status != 0) {
                        dev_kfree_skb_any(curr);
                status = myri10ge_xmit(curr, dev);
                if (status != 0) {
                        dev_kfree_skb_any(curr);
-                       if (segs != NULL) {
-                               curr = segs;
-                               segs = next;
+                       skb_list_walk_safe(next, curr, next) {
                                curr->next = NULL;
                                curr->next = NULL;
-                               dev_kfree_skb_any(segs);
+                               dev_kfree_skb_any(curr);
                        }
                        goto drop;
                }
                        }
                        goto drop;
                }