From: Eric Sandeen <sandeen@sandeen.net>
Date: Tue, 28 Nov 2017 02:23:32 +0000 (-0800)
Subject: xfs: fix leaks on corruption errors in xfs_bmap.c
X-Git-Tag: v4.15-rc2~5^2~6
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=d41c6172bd4031979eab722c265a2e5764383c3c;p=linux.git

xfs: fix leaks on corruption errors in xfs_bmap.c

Use _GOTO instead of _RETURN so we can free the allocated
cursor on error.

Fixes: bf80628 ("xfs: remove xfs_bmse_shift_one")
Fixes-coverity-id: 1423813, 1423676
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 08df809e2315..1210f684d3c2 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -5662,7 +5662,8 @@ xfs_bmap_collapse_extents(
 		*done = true;
 		goto del_cursor;
 	}
-	XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock));
+	XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),
+				del_cursor);
 
 	new_startoff = got.br_startoff - offset_shift_fsb;
 	if (xfs_iext_peek_prev_extent(ifp, &icur, &prev)) {
@@ -5767,7 +5768,8 @@ xfs_bmap_insert_extents(
 			goto del_cursor;
 		}
 	}
-	XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock));
+	XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),
+				del_cursor);
 
 	if (stop_fsb >= got.br_startoff + got.br_blockcount) {
 		error = -EIO;