summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_ioctl.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
-rw-r--r--fs/xfs/xfs_ioctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 9a6823e29661..c93501f42675 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1038,6 +1038,10 @@ xfs_ioc_ag_geometry(
if (copy_from_user(&ageo, arg, sizeof(ageo)))
return -EFAULT;
+ if (ageo.ag_flags)
+ return -EINVAL;
+ if (memchr_inv(&ageo.ag_reserved, 0, sizeof(ageo.ag_reserved)))
+ return -EINVAL;
error = xfs_ag_get_geometry(mp, ageo.ag_number, &ageo);
if (error)