NFS: Address a couple of nits in nfs_follow_referral()

Clean up: fix an outdated block comment, and address a comparison
between a signed and unsigned integer.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index dd5fef20c702785859dc514e4bd3bc1e6f067f82..bd1b1617905d635bd6ba586fccbaa1bcbbbcc89a 100644 (file)
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -114,10 +114,7 @@ static inline int valid_ipaddr4(const char *buf)
  * nfs_follow_referral - set up mountpoint when hitting a referral on moved error
  * @mnt_parent - mountpoint of parent directory
  * @dentry - parent directory
- * @fspath - fs path returned in fs_locations
- * @mntpath - mount path to new server
- * @hostname - hostname of new server
- * @addr - host addr of new server
+ * @locations - array of NFSv4 server location information
  *
  */
 static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
@@ -131,7 +128,8 @@ static struct vfsmount *nfs_follow_referral(const struct vfsmount *mnt_parent,
                .authflavor = NFS_SB(mnt_parent->mnt_sb)->client->cl_auth->au_flavor,
        };
        char *page = NULL, *page2 = NULL;
-       int loc, s, error;
+       unsigned int s;
+       int loc, error;
 
        if (locations == NULL || locations->nlocations <= 0)
                goto out;