diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-02-07 08:49:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-07 08:49:17 +0100 |
| commit | 87a8d03266a55f18f31fdb71c28a8dcffe39124d (patch) | |
| tree | ab337ca060871296a8dc5d47fcd45da9dcb17a3a /net/ipv4/tcp_output.c | |
| parent | 696204faa6e8a318320ebb49d9fa69bc8275644d (diff) | |
| parent | d5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c (diff) | |
Merge tag 'v4.10-rc7' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 1d5331a1b1dc..8ce50dc3ab8c 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2518,9 +2518,11 @@ u32 __tcp_select_window(struct sock *sk) int full_space = min_t(int, tp->window_clamp, allowed_space); int window; - if (mss > full_space) + if (unlikely(mss > full_space)) { mss = full_space; - + if (mss <= 0) + return 0; + } if (free_space < (full_space >> 1)) { icsk->icsk_ack.quick = 0; |