diff options
| author | Tony Lindgren <tony@atomide.com> | 2012-11-13 13:25:38 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-11-13 13:25:38 -0800 |
| commit | 89ab216b33ba9405880fd3d89531305a931bc70f (patch) | |
| tree | 8f6428ce51ecaed6f6e1379c036dbe341eb71e34 /fs/btrfs/ioctl.c | |
| parent | c9d501e5cb0238910337213e12a09127221c35d8 (diff) | |
| parent | 46bf4a562207c5ebd24e1dde5e5ee326cd3d6b91 (diff) | |
Merge branch 'omap-for-v3.8/pm' into omap-for-v3.8/clock
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 6 |
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) |