From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Tue, 13 Jun 2017 19:47:42 +0000 (-0500)
Subject: xfs: fix warnings about unused stack variables
X-Git-Tag: v4.12.0-rc1~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07f98c31d693731c05fd79b58cc3993f9a8fb359;p=thirdparty%2Fxfsprogs-dev.git

xfs: fix warnings about unused stack variables

Source kernel commit: 6e747506dde195d3d05fe2bb8ef78aceba28a5e3

Reduce stack usage and get rid of compiler warnings by eliminating
unused variables.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
---

diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index ffc2f5702..2ad6f5a64 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -1271,7 +1271,6 @@ xfs_bmap_read_extents(
 		xfs_bmbt_rec_t	*frp;
 		xfs_fsblock_t	nextbno;
 		xfs_extnum_t	num_recs;
-		xfs_extnum_t	start;
 
 		num_recs = xfs_btree_get_numrecs(block);
 		if (unlikely(i + num_recs > room)) {
@@ -1294,7 +1293,6 @@ xfs_bmap_read_extents(
 		 * Copy records into the extent records.
 		 */
 		frp = XFS_BMBT_REC_ADDR(mp, block, 1);
-		start = i;
 		for (j = 0; j < num_recs; j++, i++, frp++) {
 			xfs_bmbt_rec_host_t *trp = xfs_iext_get_ext(ifp, i);
 			trp->l0 = be64_to_cpu(frp->l0);