aboutsummaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_fsops.c
diff options
context:
space:
mode:
authorChandra Seetharaman <sekharan@us.ibm.com>2011-09-07 19:37:54 +0000
committerAlex Elder <aelder@sgi.com>2011-10-11 21:15:01 -0500
commitb522950f0ab8551f2ef56c210ebd50e6c6396601 (patch)
treeabdd6143268403b82de0e61296b2fe864ae98c10 /fs/xfs/xfs_fsops.c
parent04f658ee229f60dbb9a0dc2f3d6871b12b758051 (diff)
xfs: Check the return value of xfs_buf_get()
Check the return value of xfs_buf_get() and fail appropriately. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_fsops.c')
-rw-r--r--fs/xfs/xfs_fsops.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index e023f940a3d..1c6fdeb702f 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -194,6 +194,10 @@ xfs_growfs_data_private(
bp = xfs_buf_get(mp->m_ddev_targp,
XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)),
XFS_FSS_TO_BB(mp, 1), XBF_LOCK | XBF_MAPPED);
+ if (!bp) {
+ error = ENOMEM;
+ goto error0;
+ }
agf = XFS_BUF_TO_AGF(bp);
memset(agf, 0, mp->m_sb.sb_sectsize);
agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
@@ -227,6 +231,10 @@ xfs_growfs_data_private(
bp = xfs_buf_get(mp->m_ddev_targp,
XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),
XFS_FSS_TO_BB(mp, 1), XBF_LOCK | XBF_MAPPED);
+ if (!bp) {
+ error = ENOMEM;
+ goto error0;
+ }
agi = XFS_BUF_TO_AGI(bp);
memset(agi, 0, mp->m_sb.sb_sectsize);
agi->agi_magicnum = cpu_to_be32(XFS_AGI_MAGIC);
@@ -253,6 +261,10 @@ xfs_growfs_data_private(
XFS_AGB_TO_DADDR(mp, agno, XFS_BNO_BLOCK(mp)),
BTOBB(mp->m_sb.sb_blocksize),
XBF_LOCK | XBF_MAPPED);
+ if (!bp) {
+ error = ENOMEM;
+ goto error0;
+ }
block = XFS_BUF_TO_BLOCK(bp);
memset(block, 0, mp->m_sb.sb_blocksize);
block->bb_magic = cpu_to_be32(XFS_ABTB_MAGIC);
@@ -276,6 +288,10 @@ xfs_growfs_data_private(
XFS_AGB_TO_DADDR(mp, agno, XFS_CNT_BLOCK(mp)),
BTOBB(mp->m_sb.sb_blocksize),
XBF_LOCK | XBF_MAPPED);
+ if (!bp) {
+ error = ENOMEM;
+ goto error0;
+ }
block = XFS_BUF_TO_BLOCK(bp);
memset(block, 0, mp->m_sb.sb_blocksize);
block->bb_magic = cpu_to_be32(XFS_ABTC_MAGIC);
@@ -300,6 +316,10 @@ xfs_growfs_data_private(
XFS_AGB_TO_DADDR(mp, agno, XFS_IBT_BLOCK(mp)),
BTOBB(mp->m_sb.sb_blocksize),
XBF_LOCK | XBF_MAPPED);
+ if (!bp) {
+ error = ENOMEM;
+ goto error0;
+ }
block = XFS_BUF_TO_BLOCK(bp);
memset(block, 0, mp->m_sb.sb_blocksize);
block->bb_magic = cpu_to_be32(XFS_IBT_MAGIC);