diff options
| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-12-11 09:58:16 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-12-11 09:58:16 -0300 |
| commit | 761bfc33dd7504de951aa7b9db27a3cc5df1fde6 (patch) | |
| tree | 93f4ac22fb206fe214998a599f4d2ea0214be70a /net/ipv4/tcp_output.c | |
| parent | Merge tag 'perf-urgent-for-mingo-5.5-20191205' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (diff) | |
| parent | Merge tag 'for-5.5-rc1-kconfig-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux (diff) | |
| download | wireguard-linux-761bfc33dd7504de951aa7b9db27a3cc5df1fde6.tar.xz wireguard-linux-761bfc33dd7504de951aa7b9db27a3cc5df1fde6.zip | |
Merge remote-tracking branch 'torvalds/master' into perf/urgent
To pick up BPF fixes to allow a clean 'make -C tools/perf build-test':
7c3977d1e804 libbpf: Fix sym->st_value print on 32-bit arches
1fd450f99272 libbpf: Fix up generation of bpf_helper_defs.h
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/tcp_output.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index be6d22b8190f..b184f03d7437 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -755,8 +755,9 @@ static unsigned int tcp_established_options(struct sock *sk, struct sk_buff *skb min_t(unsigned int, eff_sacks, (remaining - TCPOLEN_SACK_BASE_ALIGNED) / TCPOLEN_SACK_PERBLOCK); - size += TCPOLEN_SACK_BASE_ALIGNED + - opts->num_sack_blocks * TCPOLEN_SACK_PERBLOCK; + if (likely(opts->num_sack_blocks)) + size += TCPOLEN_SACK_BASE_ALIGNED + + opts->num_sack_blocks * TCPOLEN_SACK_PERBLOCK; } return size; |