From 87e673487a04d7dcae5d402955cd018d5520895a Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 19 Jul 2008 23:09:43 +0000 Subject: [PATCH] add extra safety for the packet mangling in the mvswitch driver SVN-Revision: 11880 --- target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c b/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c index be9e6afd2d..8eae439f76 100644 --- a/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c +++ b/target/linux/generic-2.6/files/drivers/net/phy/mvswitch.c @@ -78,7 +78,7 @@ mvswitch_mangle_tx(struct sk_buff *skb, struct net_device *dev) if (__vlan_hwaccel_get_tag(skb, &vid)) goto error; - if ((skb->len <= 62) || (skb_headroom(skb) < MV_HEADER_SIZE)) { + if (skb_cloned(skb) || (skb->len <= 62) || (skb_headroom(skb) < MV_HEADER_SIZE)) { if (pskb_expand_head(skb, MV_HEADER_SIZE, 0, GFP_ATOMIC)) goto error_expand; if (skb->len < 62)