[netdrvr sis190] fix oopsable bug in TX path, related to skb_padto return

Caught by Francois Romieu.

diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index aabe5f3bdd71156f6580593f2b3fa2c0717ca7fb..da4ea1b59eaa89c56f629f3c1e7ac2607e5fd17e 100644 (file)
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -949,7 +949,8 @@ SiS190_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 drop_tx:
        tp->stats.tx_dropped++;
-       dev_kfree_skb(skb);
+       if (skb)
+               dev_kfree_skb(skb);
        return 0;
 }