| commit | ad9f4f50fe9288bbe65b7dfd76d8820afac6a24c | |
| author | Eric Dumazet <eric.dumazet@gmail.com> | |
| Tue, 7 Dec 2010 12:03:55 +0000 (7 12:03 +0000) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Wed, 8 Dec 2010 20:34:08 +0000 (8 12:34 -0800) | ||
| tree | f3f3100da8d042607bbbab31c1f8a060ba2b5f15 | treesnapshot (tar.gz zip) |
| parent | c7757fdb41dfcf6add9f8a4576eb85aa5e77a4eb | commitdiff |
tcp: avoid a possible divide by zero
sysctl_tcp_tso_win_divisor might be set to zero while one cpu runs in
tcp_tso_should_defer(). Make sure we dont allow a divide by zero by
reading sysctl_tcp_tso_win_divisor exactly once.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
sysctl_tcp_tso_win_divisor might be set to zero while one cpu runs in
tcp_tso_should_defer(). Make sure we dont allow a divide by zero by
reading sysctl_tcp_tso_win_divisor exactly once.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| net/ipv4/tcp_output.c | diffblobblamehistory |