Commit 0c217359 authored Jan 21, 2015 by Trond Myklebust Committed by Greg Kroah-Hartman Feb 05, 2015

NFSv4.1: Fix an Oops in nfs41_walk_client_list

commit 3175e1dcec40fab1a444c010087f2068b6b04732 upstream.

If we start state recovery on a client that failed to initialise correctly,
then we are very likely to Oops.

Reported-by: "Mkrtchyan, Tigran" <tigran.mkrtchyan@desy.de>
Link: http://lkml.kernel.org/r/130621862.279655.1421851650684.JavaMail.zimbra@desy.de

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 19387f4d

fs/nfs/nfs4client.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -640,7 +640,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
		prev = pos;

		status = nfs_wait_client_init_complete(pos);
		if (status == 0) {
		if (pos->cl_cons_state == NFS_CS_SESSION_INITING) {
		nfs4_schedule_lease_recovery(pos);
		status = nfs4_wait_clnt_recover(pos);
		}