[PATCH 3.13.y-ckt 34/80] NFSv4.1: Fix an Oops in nfs41_walk_client_list

[Kamal Mostafa]

3.13.11-ckt17 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

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@xxxxxxx>
Link: http://lkml.kernel.org/r/130621862.279655.1421851650684.JavaMail.zimbra@xxxxxxx
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
 fs/nfs/nfs4client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 14c8af6..baa9bfb 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -636,7 +636,7 @@ 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);
 			}
-- 
1.9.1

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