[PATCH] xfs_repair: fix for fragmented multiblock dirs

[Eric Sandeen <sandeen@xxxxxxxxxx>]

blkmap_getn() was reallocating the bmap_ext_t *bmp array
for each extent in the loop, thereby losing previously
filled-in elements, and generally making a mess of things.

Allocating it only the first time through the loop
fixes this right up.

Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---

diff --git a/repair/bmap.c b/repair/bmap.c
index 2f1c307..c43ca7f 100644
--- a/repair/bmap.c
+++ b/repair/bmap.c
@@ -168,7 +168,8 @@ blkmap_getn(
                /*
                 * rare case - multiple extents for a single dir block
                 */
-               bmp = malloc(nb * sizeof(bmap_ext_t));
+               if (!bmp)
+                       bmp = malloc(nb * sizeof(bmap_ext_t));
                if (!bmp)
                        do_error(_("blkmap_getn malloc failed (%" PRIu64 " 
bytes)\n"),
                                                nb * sizeof(bmap_ext_t));