Message ID | 1262732790-16053-1-git-send-email-opurdila@ixiacom.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Octavian Purdila <opurdila@ixiacom.com> Date: Wed, 6 Jan 2010 01:06:30 +0200 > This fixes a netstamp_needed accounting issue when the listen socket > has SO_TIMESTAMP set: > > s = socket(AF_INET, SOCK_STREAM, 0); > setsockopt(s, SOL_SOCKET, SO_TIMESTAMP, 1); -> netstamp_needed = 1 > bind(s, ...); > listen(s, ...); > s2 = accept(s, ...); -> netstamp_needed = 1 > close(s2); -> netstamp_needed = 0 > close(s); -> netstamp_needed = -1 > > Signed-off-by: Octavian Purdila <opurdila@ixiacom.com> Applied and queued up for -stable, thanks for fixing this! -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/core/sock.c b/net/core/sock.c index 76ff58d..e1f6f22 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1205,6 +1205,10 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority) if (newsk->sk_prot->sockets_allocated) percpu_counter_inc(newsk->sk_prot->sockets_allocated); + + if (sock_flag(newsk, SOCK_TIMESTAMP) || + sock_flag(newsk, SOCK_TIMESTAMPING_RX_SOFTWARE)) + net_enable_timestamp(); } out: return newsk;
This fixes a netstamp_needed accounting issue when the listen socket has SO_TIMESTAMP set: s = socket(AF_INET, SOCK_STREAM, 0); setsockopt(s, SOL_SOCKET, SO_TIMESTAMP, 1); -> netstamp_needed = 1 bind(s, ...); listen(s, ...); s2 = accept(s, ...); -> netstamp_needed = 1 close(s2); -> netstamp_needed = 0 close(s); -> netstamp_needed = -1 Signed-off-by: Octavian Purdila <opurdila@ixiacom.com> --- net/core/sock.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)