xfs: fix non-debug build warnings

There seem to be a couple of new set-but-unused build warnings
that gcc 4.9.3 is now warning about. These are not regressions, just
the compiler being more picky.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index a4b7d92e946c..fbf4c269a7b7 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -438,7 +438,6 @@ _xfs_buf_find(
         xfs_buf_flags_t         flags,
         xfs_buf_t               *new_bp)
 {
-        size_t                  numbytes;
         struct xfs_perag        *pag;
         struct rb_node          **rbp;
         struct rb_node          *parent;
@@ -450,10 +449,9 @@ _xfs_buf_find(
 
         for (i = 0; i < nmaps; i++)
                 numblks += map[i].bm_len;
-        numbytes = BBTOB(numblks);
 
         /* Check for IOs smaller than the sector size / not sector aligned */
-        ASSERT(!(numbytes < btp->bt_meta_sectorsize));
+        ASSERT(!(BBTOB(numblks) < btp->bt_meta_sectorsize));
         ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_meta_sectormask));
 
         /*