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authorAl Viro <viro@zeniv.linux.org.uk>2020-02-19 09:35:32 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2020-05-09 15:59:10 -0400
commit502fd722fe1ed0133d1108bff1d5911f46de6641 (patch)
tree274282a91bcc759e673bbec6946ca1b8c43d9cea /fs/btrfs/send.c
parentf06d3a7e6ebe4faf94cf0be1b25ae6df33620d88 (diff)
downloadlinux-502fd722fe1ed0133d1108bff1d5911f46de6641.tar.bz2
btrfs_ioctl_send(): don't bother with access_ok()
we do copy_from_user() on that range anyway Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/btrfs/send.c')
-rw-r--r--fs/btrfs/send.c7
1 files changed, 0 insertions, 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;