[XFS] Catch errors from xfs_imap().

Catch errors from xfs_imap() in log recovery when we might be trying to
map an invalid inode number due to a corrupted log.

SGI-PV: 980084
SGI-Modid: xfs-linux-melb:xfs-kern:30829a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 1f83298f90aa..a8039431b86f 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2282,7 +2282,9 @@ xlog_recover_do_inode_trans(
                  * invalidate the buffer when we write it out below.
                  */
                 imap.im_blkno = 0;
-                xfs_imap(log->l_mp, NULL, ino, &imap, 0);
+                error = xfs_imap(log->l_mp, NULL, ino, &imap, 0);
+                if (error)
+                        goto error;
         }
 
         /*