[PATCH 03/20] btrfs_ioctl_send(): don't bother with access_ok()

[Al Viro <viro@xxxxxxxxxxxxxxxxxx>]

From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

we do copy_from_user() on that range anyway

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
 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