From: Eric Dumazet <[email protected]> Date: Mon, 02 May 2016 21:49:25 -0700
> From: Eric Dumazet <[email protected]> > > Under high rx pressure, it is possible tcp_sendmsg() never has a > chance to allocate an skb and loop forever as sk_flush_backlog() > would always return true. > > Fix this by calling sk_flush_backlog() only if one skb had been > allocated and filled before last backlog check. > > Fixes: d41a69f1d390 ("tcp: make tcp_sendmsg() aware of socket backlog") > Signed-off-by: Eric Dumazet <[email protected]> Applied.
