diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-11-15 16:41:21 (GMT) |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2012-11-15 16:41:21 (GMT) |
commit | 8dbd2879e33be37adf40f747a5fb80ef1a6cd150 (patch) | |
tree | c688d7980be8c1c0dbf5e411caaf2c102120102e /fs/btrfs/ioctl.c | |
parent | b770ea523d95837e968d46c7fe09a3f5edd9bb27 (diff) | |
parent | d308ba50a1234b299a00e63a95e61fdeb2f1a2df (diff) | |
download | linux-fsl-qoriq-8dbd2879e33be37adf40f747a5fb80ef1a6cd150.tar.xz |
Merge branch 'omap/dt' into next/drivers
Needed for the omap timer changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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 6116880..8fcf9a5 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) |