Messages in this thread Patch in this message | | | From | Al Viro <> | Subject | [PATCH 03/20] btrfs_ioctl_send(): don't bother with access_ok() | Date | Sun, 10 May 2020 00:45:40 +0100 |
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From: Al Viro <viro@zeniv.linux.org.uk>
we do copy_from_user() on that range anyway
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- fs/btrfs/send.c | 7 ------- 1 file changed, 7 deletions(-)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index c5f41bd86765..6a92ecf9eaa2 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -7065,13 +7065,6 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg) goto out; } - if (!access_ok(arg->clone_sources, - sizeof(*arg->clone_sources) * - arg->clone_sources_count)) { - ret = -EFAULT; - goto out; - } - if (arg->flags & ~BTRFS_SEND_FLAG_MASK) { ret = -EINVAL; goto out; -- 2.11.0
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