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>
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index c2ff0fc..0d1caec 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -308,6 +308,10 @@
bp = xfs_trans_get_buf(tp, mp->m_ddev_targp,
XFS_FSB_TO_DADDR(mp, mval[i].br_startblock),
XFS_FSB_TO_BB(mp, mval[i].br_blockcount), 0);
+ if (!bp) {
+ error = ENOMEM;
+ goto error1;
+ }
xfs_trans_binval(tp, bp);
}
/*
@@ -1648,7 +1652,10 @@
byte_cnt = XFS_FSB_TO_B(mp, mval[n].br_blockcount);
bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, d,
BTOBB(byte_cnt), 0);
- ASSERT(!xfs_buf_geterror(bp));
+ if (!bp) {
+ error = ENOMEM;
+ goto error2;
+ }
if (pathlen < byte_cnt) {
byte_cnt = pathlen;
}