Fix an outdated block comment, and address a comparison between a signed
and unsigned integer.

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

 fs/nfs/nfs4namespace.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index dd5fef2..bd1b161 100644
--- 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;

-
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