From 4cd1ec95bdec8aedb280ca0f244ededb76f747ab Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 23 Jun 2017 18:16:25 +0300
Subject: [PATCH] NFS: silence a uninitialized variable warning

Static checkers have gotten clever enough to complain that "id_long" is
uninitialized on the failure path.  It's harmless, but simple to fix.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
 fs/nfs/nfs4idmap.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c
index 835c163f61af..dd5d27da8c0c 100644
--- a/fs/nfs/nfs4idmap.c
+++ b/fs/nfs/nfs4idmap.c
@@ -364,7 +364,8 @@ static int nfs_idmap_lookup_id(const char *name, size_t namelen, const char *typ
 		ret = -EINVAL;
 	} else {
 		ret = kstrtol(id_str, 10, &id_long);
-		*id = (__u32)id_long;
+		if (!ret)
+			*id = (__u32)id_long;
 	}
 	return ret;
 }