diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:46:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:46:28 -0700 |
| commit | 94b086b243e112030b815b76e61de6523e6fc700 (patch) | |
| tree | 3c7f2308e7e5afdb276a858c4960754168a92d8c /fs/btrfs/ioctl.c | |
| parent | 967857dfd990081f6702daebc6c9bc6f4ba7a39e (diff) | |
| parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) | |
Merge 3.7-rc3 into driver-core-next
This pulls in the various driver core changes that were in 3.7-rc3 into the
driver-core-next branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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) |