summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/ioctl.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2012-12-07 12:15:33 +0100
committerIngo Molnar <mingo@kernel.org>2012-12-07 12:15:33 +0100
commit222e82bef4bd520a31d48c31ab24e49dd46daa46 (patch)
treeb6e73cad8e0b3a1c3e1acc537789e97aadaefa92 /fs/btrfs/ioctl.c
parent38ca9c927c7d3db61f57e3d3a9334958c3af6e9a (diff)
parent18a2f371f5edf41810f6469cb9be39931ef9deb9 (diff)
Merge branch 'linus' into sched/core
Pick up the autogroups fix and other fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 61168805f17..8fcf9a59c28 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -343,7 +343,8 @@ static noinline int btrfs_ioctl_fitrim(struct file *file, void __user *arg)
return -EOPNOTSUPP;
if (copy_from_user(&range, arg, sizeof(range)))
return -EFAULT;
- if (range.start > total_bytes)
+ if (range.start > total_bytes ||
+ range.len < fs_info->sb->s_blocksize)
return -EINVAL;
range.len = min(range.len, total_bytes - range.start);
@@ -570,7 +571,8 @@ static int create_snapshot(struct btrfs_root *root, struct dentry *dentry,
ret = btrfs_commit_transaction(trans,
root->fs_info->extent_root);
}
- BUG_ON(ret);
+ if (ret)
+ goto fail;
ret = pending_snapshot->error;
if (ret)