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Date: Fri, 27 Jun 2008 17:27:36 -0700 (PDT) From: David Miller <davem@...emloft.net> To: opurdila@...acom.com Cc: netdev@...r.kernel.org Subject: Re: [RESEND] [PATCH] tcp: fix for splice receive when used with software LRO From: Octavian Purdila <opurdila@...acom.com> Date: Wed, 18 Jun 2008 19:07:16 +0300 > tcp: fix for splice receive when used with software LRO > > If an skb has nr_frags set to zero but its frag_list is not empty (as > it can happen if software LRO is enabled), and a previous > tcp_read_sock has consumed the linear part of the skb, then > __skb_splice_bits: > > (a) incorrectly reports an error and > > (b) forgets to update the offset to account for the linear part > > Any of the two problems will cause the subsequent __skb_splice_bits > call (the one that handles the frag_list skbs) to either skip data, > or, if the unadjusted offset is greater then the size of the next skb > in the frag_list, make tcp_splice_read loop forever. > > Signed-off-by: Octavian Purdila <opurdila@...acom.com> Applied, th anks Octavian. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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