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>

diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c
index 835c163f61af5324c988d1c38e51bfeb47983e76..dd5d27da8c0cc5f19d96c33360400778a6a60b5c 100644 (file)
--- 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;
 }