net: fix network drivers ndo_start_xmit() return values (part 6)

Fix up hamradio drivers that return an errno value to dev_queue_xmit(), causing
it to print a warning an free the skb.

- bpqether: skb is freed: use after free

Compile tested only.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index d509b371a56..5105548ad50 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -274,7 +274,7 @@ static int bpq_xmit(struct sk_buff *skb, struct net_device *dev)
                 if ((newskb = skb_realloc_headroom(skb, AX25_BPQ_HEADER_LEN)) == NULL) {
                         printk(KERN_WARNING "bpqether: out of memory\n");
                         kfree_skb(skb);
-                        return -ENOMEM;
+                        return NETDEV_TX_OK;
                 }
 
                 if (skb->sk != NULL)
@@ -294,7 +294,7 @@ static int bpq_xmit(struct sk_buff *skb, struct net_device *dev)
         if ((dev = bpq_get_ether_dev(dev)) == NULL) {
                 dev->stats.tx_dropped++;
                 kfree_skb(skb);
-                return -ENODEV;
+                return NETDEV_TX_OK;
         }
 
         skb->protocol = ax25_type_trans(skb, dev);