diff options
| author | Olof Johansson <olof@lixom.net> | 2012-11-06 07:51:06 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-11-06 07:51:06 -0800 |
| commit | 66267ee58732bb4c21c7bbba004ee481b8ad2b30 (patch) | |
| tree | bf7f72e623d7c1ca6472e0a1286e802cd3bff139 /fs/btrfs/ioctl.c | |
| parent | 6ed68a6d83e4497dc33581ccc82b4fa3e7e8226d (diff) | |
| parent | f58007762f537ba13674a3138b3f4c20fff1cba9 (diff) | |
| download | linux-66267ee58732bb4c21c7bbba004ee481b8ad2b30.tar.gz | |
Merge branch 'arm-next' of git://git.xilinx.com/linux-xlnx into next/cleanup
From Michal Simek:
* 'arm-next' of git://git.xilinx.com/linux-xlnx:
zynq: move static peripheral mappings
zynq: remove use of CLKDEV_LOOKUP
zynq: use pl310 device tree bindings
zynq: use GIC device tree bindings
+ Linux 3.7-rc3
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) |