NFS: Remove no-op less-than-zero checks on unsigned variables.

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>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 09119418402..12185aadb34 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -449,9 +449,8 @@ 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;
         }
@@ -552,7 +551,7 @@ 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;