diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_ag.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.c b/fs/xfs/libxfs/xfs_ag.c index 0765a0ba30e1..778ec52cce70 100644 --- a/fs/xfs/libxfs/xfs_ag.c +++ b/fs/xfs/libxfs/xfs_ag.c @@ -779,6 +779,7 @@ xfs_ag_shrink_space( struct xfs_buf *agibp, *agfbp; struct xfs_agi *agi; struct xfs_agf *agf; + xfs_agblock_t aglen; int error, err2; ASSERT(agno == mp->m_sb.sb_agcount - 1); @@ -793,14 +794,14 @@ xfs_ag_shrink_space( return error; agf = agfbp->b_addr; + aglen = be32_to_cpu(agi->agi_length); /* some extra paranoid checks before we shrink the ag */ if (XFS_IS_CORRUPT(mp, agf->agf_length != agi->agi_length)) return -EFSCORRUPTED; - if (delta >= agi->agi_length) + if (delta >= aglen) return -EINVAL; - args.fsbno = XFS_AGB_TO_FSB(mp, agno, - be32_to_cpu(agi->agi_length) - delta); + args.fsbno = XFS_AGB_TO_FSB(mp, agno, aglen - delta); /* * Disable perag reservations so it doesn't cause the allocation request |