AuxXxilium/linux_dsm_epyc7002
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Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

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* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: check if device support discard in xfs_ioc_trim()
  xfs: prevent leaking uninitialized stack memory in FSGEOMETRY_V1
This commit is contained in:
Linus Torvalds 2011-02-23 14:44:02 -08:00
commit 13d1ea9a20
2 changed files with 5 additions and 0 deletions
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2
fs/xfs/linux-2.6/xfs_discard.c
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@ -152,6 +152,8 @@ xfs_ioc_trim(
if (!capable(CAP_SYS_ADMIN)) if (!capable(CAP_SYS_ADMIN))
return -XFS_ERROR(EPERM); return -XFS_ERROR(EPERM);
if (!blk_queue_discard(q))
return -XFS_ERROR(EOPNOTSUPP);
if (copy_from_user(&range, urange, sizeof(range))) if (copy_from_user(&range, urange, sizeof(range)))
return -XFS_ERROR(EFAULT); return -XFS_ERROR(EFAULT);

3
fs/xfs/xfs_fsops.c
View File

@ -53,6 +53,9 @@ xfs_fs_geometry(
xfs_fsop_geom_t *geo, xfs_fsop_geom_t *geo,
int new_version) int new_version)
{ {
memset(geo, 0, sizeof(*geo));
geo->blocksize = mp->m_sb.sb_blocksize; geo->blocksize = mp->m_sb.sb_blocksize;
geo->rtextsize = mp->m_sb.sb_rextsize; geo->rtextsize = mp->m_sb.sb_rextsize;
geo->agblocks = mp->m_sb.sb_agblocks; geo->agblocks = mp->m_sb.sb_agblocks;