libceph: verify state after retaking con lock after dispatch
authorSage Weil <sage@inktank.com>
Tue, 31 Jul 2012 01:16:56 +0000 (18:16 -0700)
committerSage Weil <sage@inktank.com>
Tue, 31 Jul 2012 01:16:56 +0000 (18:16 -0700)
commit7b862e07b1a4d5c963d19027f10ea78085f27f9b
tree003d412e6ebfd50f03cabd0bc82aa3916d3bbd06
parent4f471e4a9c7db0256834e1b376ea50c82e345c3c
libceph: verify state after retaking con lock after dispatch

We drop the con mutex when delivering a message.  When we retake the
lock, we need to verify we are still in the OPEN state before
preparing to read the next tag, or else we risk stepping on a
connection that has been closed.

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
net/ceph/messenger.c