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btrfs_ioctl_send(): don't bother with access_ok()

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we do copy_from_user() on that range anyway

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-02-19 09:35:32 -05:00
parent f06d3a7e6e
commit 502fd722fe
1 changed files with 0 additions and 7 deletions
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7
fs/btrfs/send.c
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@ -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;