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authorEric Dumazet <eric.dumazet@gmail.com>2011-01-24 14:41:20 -0800
committerDavid S. Miller <davem@davemloft.net>2011-01-24 14:41:20 -0800
commitfd0273c5033630b8673554cd39660435d1ab2ac4 (patch)
treee13f583f7848dcc1c620f3e4598e22f96a2d8efc /Documentation/ABI
parent3408404a4c2a4eead9d73b0bbbfe3f225b65f492 (diff)
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tcp: fix bug in listening_get_next()
commit a8b690f98baf9fb19 (tcp: Fix slowness in read /proc/net/tcp) introduced a bug in handling of SYN_RECV sockets. st->offset represents number of sockets found since beginning of listening_hash[st->bucket]. We should not reset st->offset when iterating through syn_table[st->sbucket], or else if more than ~25 sockets (if PAGE_SIZE=4096) are in SYN_RECV state, we exit from listening_get_next() with a too small st->offset Next time we enter tcp_seek_last_pos(), we are not able to seek past already found sockets. Reported-by: PK <runningdoglackey@yahoo.com> CC: Tom Herbert <therbert@google.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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