Messages in this thread | | | Subject | Re: [PATCH v3 1/3] unix/dgram: peek beyond 0-sized skbs | From | Eric Dumazet <> | Date | Mon, 29 Apr 2013 17:48:20 -0700 |
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On Mon, 2013-04-29 at 17:42 -0400, Benjamin Poirier wrote: > "77c1090 net: fix infinite loop in __skb_recv_datagram()" (v3.8) introduced a > regression: > After that commit, recv can no longer peek beyond a 0-sized skb in the queue. > __skb_recv_datagram() instead stops at the first skb with len == 0 and results > in the system call failing with -EFAULT via skb_copy_datagram_iovec(). > > When peeking at an offset with 0-sized skb(s), each one of those is received > only once, in sequence. The offset starts moving forward again after receiving > datagrams with len > 0. > > Signed-off-by: Benjamin Poirier <bpoirier@suse.de> > > ---
Acked-by: Eric Dumazet <edumazet@google.com>
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