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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-23 14:44:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-23 14:44:02 -0800 |
| commit | 13d1ea9a20ed7d77f98c1622dcf9f3881649f6d7 (patch) | |
| tree | 5f051aa8477aae53ca30536720f91bc55a55019c | |
| parent | f19e0eec8b82faae4c2a5d129dfa9fe1cf66f5a9 (diff) | |
| parent | be715140b5c3baf8ab6708060cfab80bef279d18 (diff) | |
| download | lwn-13d1ea9a20ed7d77f98c1622dcf9f3881649f6d7.tar.gz lwn-13d1ea9a20ed7d77f98c1622dcf9f3881649f6d7.zip | |
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* '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
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_discard.c | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_fsops.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_discard.c b/fs/xfs/linux-2.6/xfs_discard.c index 05201ae719e5..d61611c88012 100644 --- a/fs/xfs/linux-2.6/xfs_discard.c +++ b/fs/xfs/linux-2.6/xfs_discard.c @@ -152,6 +152,8 @@ xfs_ioc_trim( if (!capable(CAP_SYS_ADMIN)) return -XFS_ERROR(EPERM); + if (!blk_queue_discard(q)) + return -XFS_ERROR(EOPNOTSUPP); if (copy_from_user(&range, urange, sizeof(range))) return -XFS_ERROR(EFAULT); diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index cec89dd5d7d2..85668efb3e3e 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -53,6 +53,9 @@ xfs_fs_geometry( xfs_fsop_geom_t *geo, int new_version) { + + memset(geo, 0, sizeof(*geo)); + geo->blocksize = mp->m_sb.sb_blocksize; geo->rtextsize = mp->m_sb.sb_rextsize; geo->agblocks = mp->m_sb.sb_agblocks; |