From: Herbert Xu Date: Sun, 29 Mar 2009 06:39:18 +0000 (-0700) Subject: gso: Fix support for linear packets X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=2f181855a0b3c2b39314944add7b41c15647cf86;p=openwrt%2Fstaging%2Fblogic.git gso: Fix support for linear packets When GRO/frag_list support was added to GSO, I made an error which broke the support for segmenting linear GSO packets (GSO packets are normally non-linear in the payload). These days most of these packets are constructed by the tun driver, which prefers to allocate linear memory if possible. This is fixed in the latest kernel, but for 2.6.29 and earlier it is still the norm. Therefore this bug causes failures with GSO when used with tun in 2.6.29. Reported-by: James Huang Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 6acbf9e79eb1..ce6356cd9f71 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2579,7 +2579,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features) skb_network_header_len(skb)); skb_copy_from_linear_data(skb, nskb->data, doffset); - if (pos >= offset + len) + if (fskb != skb_shinfo(skb)->frag_list) continue; if (!sg) {