xt_ACCOUNT: update prototype of nf_sockopt_ops::set callback

In 5.9, the `void __user` parameter has been replaced by a `sockptr`.
Update `ipt_acc_set_ctl` appropriately.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
This commit is contained in:
Jeremy Sowden
2020-08-31 14:59:47 +02:00
committed by Jan Engelhardt
parent ea588d0b9c
commit 48e30a0990

View File

@@ -28,6 +28,9 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/string.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
#include <linux/sockptr.h>
#endif
#include <linux/spinlock.h>
#include <asm/uaccess.h>
#include <net/netns/generic.h>
@@ -879,7 +882,12 @@ static int ipt_acc_handle_get_data(struct ipt_acc_net *ian,
}
static int ipt_acc_set_ctl(struct sock *sk, int cmd,
void *user, unsigned int len)
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 9, 0)
void *user,
#else
sockptr_t arg,
#endif
unsigned int len)
{
struct net *net = sock_net(sk);
struct ipt_acc_net *ian = net_generic(net, ipt_acc_net_id);
@@ -898,7 +906,12 @@ static int ipt_acc_set_ctl(struct sock *sk, int cmd,
break;
}
if (copy_from_user(&handle, user, len)) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 9, 0)
if (copy_from_user(&handle, user, len))
#else
if (copy_from_sockptr(&handle, arg, len))
#endif
{
printk("ACCOUNT: ipt_acc_set_ctl: copy_from_user failed for "
"IPT_SO_SET_HANDLE_FREE\n");
break;