xfs: Check the return value of xfs_trans_get_buf()

Check the return value of xfs_trans_get_buf() and fail
appropriately.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Alex Elder <aelder@sgi.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 7f237ba3c292..d689253fdfda 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1644,7 +1644,7 @@ xfs_iunlink_remove(
  * inodes that are in memory - they all must be marked stale and attached to
  * the cluster buffer.
  */
-STATIC void
+STATIC int
 xfs_ifree_cluster(
         xfs_inode_t     *free_ip,
         xfs_trans_t     *tp,
@@ -1690,6 +1690,8 @@ xfs_ifree_cluster(
                                         mp->m_bsize * blks_per_cluster,
                                         XBF_LOCK);
 
+                if (!bp)
+                        return ENOMEM;
                 /*
                  * Walk the inodes already attached to the buffer and mark them
                  * stale. These will all have the flush locks held, so an
@@ -1799,6 +1801,7 @@ retry:
         }
 
         xfs_perag_put(pag);
+        return 0;
 }
 
 /*
@@ -1878,10 +1881,10 @@ xfs_ifree(
         dip->di_mode = 0;
 
         if (delete) {
-                xfs_ifree_cluster(ip, tp, first_ino);
+                error = xfs_ifree_cluster(ip, tp, first_ino);
         }
 
-        return 0;
+        return error;
 }
 
 /*