diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-27 11:30:11 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-27 11:30:11 +0300 |
| commit | c771633daf951439ef1875b0da52b56e5696d19f (patch) | |
| tree | bc27744497735062f372ac7b67a0d81b96d24c75 /net/ipv4/tcp_output.c | |
| parent | 62b695662a2413286a25df418b0af665bf2899c5 (diff) | |
| parent | 64a577196d66b44e37384bc5c4d78c61f59d5b2a (diff) | |
| download | linux-c771633daf951439ef1875b0da52b56e5696d19f.tar.xz | |
Merge airlied/drm-next into drm-misc-next
Backmerge the main pull request to sync up with all the newly landed
drivers. Otherwise we'll have chaos even before 4.12 started in
earnest.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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; |