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!48 add compat_nip_dev_ifconf

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Merge pull request !48 from liangbotong/master
This commit is contained in:
openharmony_ci
2023-09-20 04:00:06 +00:00
committed by Gitee
parent c8bd1e15b0 b6cbb5509c
commit 50e195f7c3
1 changed files with 28 additions and 0 deletions
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newip/third_party/linux-5.10/net/newip/af_ninet.c
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@@ -560,15 +560,43 @@ static int ninet_compat_routing_ioctl(struct sock *sk, unsigned int cmd,
return nip_route_ioctl(sock_net(sk), cmd, &rt);
}
static int compat_nip_dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
{
struct compat_ifconf ifc32;
struct ifconf ifc;
int err;
if (copy_from_user(&ifc32, uifc32, sizeof(struct compat_ifconf)))
return -EFAULT;
ifc.ifc_len = ifc32.ifc_len;
ifc.ifc_req = compat_ptr(ifc32.ifcbuf);
rtnl_lock();
err = nip_dev_ifconf(net, &ifc, sizeof(struct compat_ifreq));
rtnl_unlock();
if (err)
return err;
ifc32.ifc_len = ifc.ifc_len;
if (copy_to_user(uifc32, &ifc32, sizeof(struct compat_ifconf)))
return -EFAULT;
return 0;
}
int ninet_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
void __user *argp = compat_ptr(arg);
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
switch (cmd) {
case SIOCADDRT:
case SIOCDELRT:
return ninet_compat_routing_ioctl(sk, cmd, argp);
case SIOCGIFCONF:
return compat_nip_dev_ifconf(net, argp);
default:
return -ENOIOCTLCMD;
}