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, 4 insertions, 1 deletions

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 3e2ccaedc51e..0c5fe66ce92b 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -402,8 +402,11 @@ xfs_qm_dqalloc(
                                dqp->q_blkno,
                                mp->m_quotainfo->qi_dqchunklen,
                                0);
-        if (!bp || (error = xfs_buf_geterror(bp)))
+
+        error = xfs_buf_geterror(bp);
+        if (error)
                 goto error1;
+
         /*
          * Make a chunk of dquots out of this buffer and log
          * the entire thing.