diff options
| author | Tom Marshall <tdm.code@gmail.com> | 2010-09-20 15:42:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-20 15:42:05 -0700 |
| commit | a4d258036ed9b2a1811c3670c6099203a0f284a0 (patch) | |
| tree | 58412022664aef745a99d254d20cf1a66aabda44 /drivers/net | |
| parent | 9828e6e6e3f19efcb476c567b9999891d051f52f (diff) | |
tcp: Fix race in tcp_poll
If a RST comes in immediately after checking sk->sk_err, tcp_poll will
return POLLIN but not POLLOUT. Fix this by checking sk->sk_err at the end
of tcp_poll. Additionally, ensure the correct order of operations on SMP
machines with memory barriers.
Signed-off-by: Tom Marshall <tdm.code@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
0 files changed, 0 insertions, 0 deletions