[PATCH 3/3] NFS: Remove no-op less-than-zero checks on unsigned variables.

[Chuck Lever <chuck.lever@oracle.com>]

Introduced by commit 16b374ca "NFSv4.1: pnfs: filelayout: add driver's
LAYOUTGET and GETDEVICEINFO infrastructure" (October 20, 2010).

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

 fs/nfs/nfs4filelayout.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index e8915d4..bbc5a21 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -468,9 +468,8 @@ filelayout_check_layout(struct pnfs_layout_hdr *lo,
 
 	fl->dsaddr = dsaddr;
 
-	if (fl->first_stripe_index < 0 ||
-	    fl->first_stripe_index >= dsaddr->stripe_count) {
-		dprintk("%s Bad first_stripe_index %d\n",
+	if (fl->first_stripe_index >= dsaddr->stripe_count) {
+		dprintk("%s Bad first_stripe_index %u\n",
 				__func__, fl->first_stripe_index);
 		goto out_put;
 	}
@@ -571,7 +570,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo,
 
 	/* Note that a zero value for num_fh is legal for STRIPE_SPARSE.
 	 * Futher checking is done in filelayout_check_layout */
-	if (fl->num_fh < 0 || fl->num_fh >
+	if (fl->num_fh >
 	    max(NFS4_PNFS_MAX_STRIPE_CNT, NFS4_PNFS_MAX_MULTI_CNT))
 		goto out_err;