xprtrdma: Cancel refresh worker during buffer shutdown
authorChuck Lever <chuck.lever@oracle.com>
Tue, 11 Apr 2017 17:22:29 +0000 (13:22 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 24 Mar 2018 10:00:15 +0000 (11:00 +0100)
commitabdb88128d3642ae378cf9239da4cb8228049476
tree8fd1a7d7579ae676f7fda29ebeabb80fc0572d34
parentb5e7b5ce7fa21d02b12d4383b003da22e79f91e1
xprtrdma: Cancel refresh worker during buffer shutdown

[ Upstream commit 9378b274e1eb6925db315e345f48850d2d5d9789 ]

Trying to create MRs while the transport is being torn down can
cause a crash.

Fixes: e2ac236c0b65 ("xprtrdma: Allocate MRs on demand")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/sunrpc/xprtrdma/verbs.c