Commit 8dc22d2b authored by Ralf Baechle's avatar Ralf Baechle Committed by David S. Miller
Browse files

[ROSE]: Fix dereference of skb pointer after free.

If rose_route_frame return success we'll dereference a stale pointer.
Likely this is only going to result in bad statistics for the ROSE

This fixes coverity 946.

Signed-off-by: default avatarRalf Baechle <>
Signed-off-by: default avatarDavid S. Miller <>
parent 518d1c96
......@@ -59,6 +59,7 @@ static int rose_rebuild_header(struct sk_buff *skb)
struct net_device_stats *stats = netdev_priv(dev);
unsigned char *bp = (unsigned char *)skb->data;
struct sk_buff *skbn;
unsigned int len;
if (arp_find(bp + 7, skb)) {
......@@ -75,6 +76,8 @@ static int rose_rebuild_header(struct sk_buff *skb)
len = skbn->len;
if (!rose_route_frame(skbn, NULL)) {
......@@ -82,7 +85,7 @@ static int rose_rebuild_header(struct sk_buff *skb)
stats->tx_bytes += skbn->len;
stats->tx_bytes += len;
return 1;
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