From: Jarek Poplawski Date: Thu, 5 Aug 2010 01:19:11 +0000 (+0000) Subject: net: Fix napi_gro_frags vs netpoll path X-Git-Tag: MMI-PSA29.97-13-9~22097^2~233 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ce9e76c8450fc248d3e1fc16ef05e6eb50c02fa5;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git net: Fix napi_gro_frags vs netpoll path The netpoll_rx_on() check in __napi_gro_receive() skips part of the "common" GRO_NORMAL path, especially "pull:" in dev_gro_receive(), where at least eth header should be copied for entirely paged skbs. Signed-off-by: Jarek Poplawski Acked-by: Herbert Xu Signed-off-by: David S. Miller --- diff --git a/net/core/dev.c b/net/core/dev.c index e1c1cdcc2bb0..2b508966146b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3072,7 +3072,7 @@ enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb) int mac_len; enum gro_result ret; - if (!(skb->dev->features & NETIF_F_GRO)) + if (!(skb->dev->features & NETIF_F_GRO) || netpoll_rx_on(skb)) goto normal; if (skb_is_gso(skb) || skb_has_frags(skb)) @@ -3159,9 +3159,6 @@ __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) { struct sk_buff *p; - if (netpoll_rx_on(skb)) - return GRO_NORMAL; - for (p = napi->gro_list; p; p = p->next) { NAPI_GRO_CB(p)->same_flow = (p->dev == skb->dev) &&