diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-13 17:36:07 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-13 17:36:07 +0000 |
| commit | 6097a07411005c0184cf90256743c784079198fc (patch) | |
| tree | 0c6496aa7de5f00a60ed8e7bac4b34f5acc7e30a /fs/btrfs/ioctl.c | |
| parent | 6a872777ffff6184f4ac10bd71d926d5e6f2491e (diff) | |
| parent | 77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff) | |
Merge tag 'v3.7-rc5' into execve
Linux 3.7-rc5
Conflicts:
arch/arm64/kernel/process.c
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 61168805f175..8fcf9a59c28d 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) |