socket: suppress sparse warnings

Use __force to quiet sparse warnings for cases where the code
is simulating user space pointers.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 3 deletions

diff --git a/net/socket.c b/net/socket.c
index 9fa1e3b4366e..937d0fcf74bc 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2648,7 +2648,8 @@ static int bond_ioctl(struct net *net, unsigned int cmd,
 
                 old_fs = get_fs();
                 set_fs(KERNEL_DS);
-                err = dev_ioctl(net, cmd, &kifr);
+                err = dev_ioctl(net, cmd,
+                                (struct ifreq __user __force *) &kifr);
                 set_fs(old_fs);
 
                 return err;
@@ -2757,7 +2758,7 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
 
         old_fs = get_fs();
         set_fs(KERNEL_DS);
-        err = dev_ioctl(net, cmd, (void __user *)&ifr);
+        err = dev_ioctl(net, cmd, (void  __user __force *)&ifr);
         set_fs(old_fs);
 
         if (cmd == SIOCGIFMAP && !err) {
@@ -2862,7 +2863,8 @@ static int routing_ioctl(struct net *net, struct socket *sock,
                 ret |= __get_user(rtdev, &(ur4->rt_dev));
                 if (rtdev) {
                         ret |= copy_from_user(devname, compat_ptr(rtdev), 15);
-                        r4.rt_dev = devname; devname[15] = 0;
+                        r4.rt_dev = (char __user __force *)devname;
+                        devname[15] = 0;
                 } else
                         r4.rt_dev = NULL;