diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-05 14:58:32 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-05 14:58:32 +0000 |
| commit | 3fd9396af83a1e69eaf9ebb573207431d8f265b6 (patch) | |
| tree | f221f5777695de71ea97423c67438bca1746e26c /fs/btrfs/ioctl.c | |
| parent | e3978cded41dc7b364e74037f56d6bc558c11fd7 (diff) | |
| parent | 3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff) | |
Merge tag 'v3.7-rc4' into upstream-master
Linux 3.7-rc4
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) |