knfsd: nfsv4 delegation recall should take reference on client
It's not enough to take a reference on the delegation object itself; we
need to ensure that the rpc_client won't go away just as we're about to
make an rpc call.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index c1cb7e0..9d536a8 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -486,6 +486,7 @@
/* Success or failure, now we're either waiting for lease expiration
* or deleg_return. */
dprintk("NFSD: nfs4_cb_recall: dp %p dl_flock %p dl_count %d\n",dp, dp->dl_flock, atomic_read(&dp->dl_count));
+ put_nfs4_client(clp);
nfs4_put_delegation(dp);
return;
}