summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_fsops.c
diff options
context:
space:
mode:
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 e023f940a3dd..1c6fdeb702ff 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);