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author | Kukjin Kim <kgene.kim@samsung.com> | 2012-11-19 04:18:47 (GMT) |
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committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-11-19 04:18:47 (GMT) |
commit | 326f3abf19360014dfae968aa3ab891d25599618 (patch) | |
tree | a57251231cb889e4e6b0f26d023990578b7bd98e /fs/btrfs/ioctl.c | |
parent | ef405e04abd0d4bc3f7082d241517f6db3f5c06d (diff) | |
parent | 64a574344dadbee5d01819d9d73b594d3cbe448e (diff) | |
download | linux-326f3abf19360014dfae968aa3ab891d25599618.tar.xz |
Merge branch 'next/dt-exynos4x12' into next/dt-samsung
Conflicts:
arch/arm/boot/dts/exynos4210.dtsi
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) |