summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_discard.c
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2012-09-05 16:27:00 -0700
committerOlof Johansson <olof@lixom.net>2012-09-05 16:27:00 -0700
commit402efdb48d6a6aef9e91e3112a94b679d787fef7 (patch)
tree69ed39eb1c02fd40e4a2f807f4057e18de6ac13c /fs/xfs/xfs_discard.c
parent1875962377574b4edb7b164001e3e341c25290d5 (diff)
parent056876f6c73406c06d530d16d020177f5ec4a0bd (diff)
Merge branch 'pinmux-dt' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel into next/dt
This branch enables device tree bindings for the CSR Prima pin control subsystem. All patches acked by Linus W (pinctrl maintainer). * 'pinmux-dt' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel: pinctrl: sirf: add DT-binding pinmux mapping support ARM: PRIMA2: rename prima2-cb.dts to prima2.dtsi as it only has SoC features ARM: PRIMA2: add missing interrupts property for pinctrl node + sync to Linux 3.6-rc4
Diffstat (limited to 'fs/xfs/xfs_discard.c')
-rw-r--r--fs/xfs/xfs_discard.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index f9c3fe304a17..69cf4fcde03e 100644
--- a/fs/xfs/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
@@ -179,12 +179,14 @@ xfs_ioc_trim(
* used by the fstrim application. In the end it really doesn't
* matter as trimming blocks is an advisory interface.
*/
+ if (range.start >= XFS_FSB_TO_B(mp, mp->m_sb.sb_dblocks) ||
+ range.minlen > XFS_FSB_TO_B(mp, XFS_ALLOC_AG_MAX_USABLE(mp)))
+ return -XFS_ERROR(EINVAL);
+
start = BTOBB(range.start);
end = start + BTOBBT(range.len) - 1;
minlen = BTOBB(max_t(u64, granularity, range.minlen));
- if (XFS_BB_TO_FSB(mp, start) >= mp->m_sb.sb_dblocks)
- return -XFS_ERROR(EINVAL);
if (end > XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks) - 1)
end = XFS_FSB_TO_BB(mp, mp->m_sb.sb_dblocks)- 1;