net: Move check of checksum features to netdev_fix_features()

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 17 insertions, 15 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index aa761472f9e2..ad3741898584 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5215,6 +5215,23 @@ static void rollback_registered(struct net_device *dev)
 
 unsigned long netdev_fix_features(unsigned long features, const char *name)
 {
+        /* Fix illegal checksum combinations */
+        if ((features & NETIF_F_HW_CSUM) &&
+            (features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) {
+                if (name)
+                        printk(KERN_NOTICE "%s: mixed HW and IP checksum settings.\n",
+                                name);
+                features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM);
+        }
+
+        if ((features & NETIF_F_NO_CSUM) &&
+            (features & (NETIF_F_HW_CSUM|NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) {
+                if (name)
+                        printk(KERN_NOTICE "%s: mixed no checksumming and other settings.\n",
+                                name);
+                features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM|NETIF_F_HW_CSUM);
+        }
+
         /* Fix illegal SG+CSUM combinations. */
         if ((features & NETIF_F_SG) &&
             !(features & NETIF_F_ALL_CSUM)) {
@@ -5390,21 +5407,6 @@ int register_netdevice(struct net_device *dev)
         if (dev->iflink == -1)
                 dev->iflink = dev->ifindex;
 
-        /* Fix illegal checksum combinations */
-        if ((dev->features & NETIF_F_HW_CSUM) &&
-            (dev->features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) {
-                printk(KERN_NOTICE "%s: mixed HW and IP checksum settings.\n",
-                       dev->name);
-                dev->features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM);
-        }
-
-        if ((dev->features & NETIF_F_NO_CSUM) &&
-            (dev->features & (NETIF_F_HW_CSUM|NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) {
-                printk(KERN_NOTICE "%s: mixed no checksumming and other settings.\n",
-                       dev->name);
-                dev->features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM|NETIF_F_HW_CSUM);
-        }
-
         dev->features = netdev_fix_features(dev->features, dev->name);
 
         /* Enable software GSO if SG is supported. */