Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [IRDA] irda-usb: use NULL instead of 0
  [IPV4]: Remove likely in ip_rcv_finish()
  [NET]: Create netdev attribute_groups with class_device_add
  [CLASS DEVICE]: add attribute_group creation

7 files changed, 51 insertions, 40 deletions

diff --git a/drivers/base/class.c b/drivers/base/class.c
index 0e71dff327cd..b1ea4df85c7d 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -456,6 +456,35 @@ static void class_device_remove_attrs(struct class_device * cd)
         }
 }
 
+static int class_device_add_groups(struct class_device * cd)
+{
+        int i;
+        int error = 0;
+
+        if (cd->groups) {
+                for (i = 0; cd->groups[i]; i++) {
+                        error = sysfs_create_group(&cd->kobj, cd->groups[i]);
+                        if (error) {
+                                while (--i >= 0)
+                                        sysfs_remove_group(&cd->kobj, cd->groups[i]);
+                                goto out;
+                        }
+                }
+        }
+out:
+        return error;
+}
+
+static void class_device_remove_groups(struct class_device * cd)
+{
+        int i;
+        if (cd->groups) {
+                for (i = 0; cd->groups[i]; i++) {
+                        sysfs_remove_group(&cd->kobj, cd->groups[i]);
+                }
+        }
+}
+
 static ssize_t show_dev(struct class_device *class_dev, char *buf)
 {
         return print_dev_t(buf, class_dev->devt);
@@ -559,6 +588,8 @@ int class_device_add(struct class_device *class_dev)
                                   class_name);
         }
 
+        class_device_add_groups(class_dev);
+
         kobject_uevent(&class_dev->kobj, KOBJ_ADD);
 
         /* notify any interfaces this device is now here */
@@ -672,6 +703,7 @@ void class_device_del(struct class_device *class_dev)
         if (class_dev->devt_attr)
                 class_device_remove_file(class_dev, class_dev->devt_attr);
         class_device_remove_attrs(class_dev);
+        class_device_remove_groups(class_dev);
 
         kobject_uevent(&class_dev->kobj, KOBJ_REMOVE);
         kobject_del(&class_dev->kobj);
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 96bdb73c2283..cd87593e4e8a 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1778,7 +1778,7 @@ static int irda_usb_probe(struct usb_interface *intf,
 
         if (self->needspatch) {
                 ret = usb_control_msg (self->usbdev, usb_sndctrlpipe (self->usbdev, 0),
-                                       0x02, 0x40, 0, 0, 0, 0, msecs_to_jiffies(500));
+                                       0x02, 0x40, 0, 0, NULL, 0, 500);
                 if (ret < 0) {
                         IRDA_DEBUG (0, "usb_control_msg failed %d\n", ret);
                         goto err_out_3;
diff --git a/include/linux/device.h b/include/linux/device.h
index f6e72a65a3f2..e8e53b9accc6 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -200,6 +200,7 @@ extern int class_device_create_file(struct class_device *,
  * @node: for internal use by the driver core only.
  * @kobj: for internal use by the driver core only.
  * @devt_attr: for internal use by the driver core only.
+ * @groups: optional additional groups to be created
  * @dev: if set, a symlink to the struct device is created in the sysfs
  * directory for this struct class device.
  * @class_data: pointer to whatever you want to store here for this struct
@@ -228,6 +229,7 @@ struct class_device {
         struct device           * dev;          /* not necessary, but nice to have */
         void                    * class_data;   /* class-specific data */
         struct class_device     *parent;        /* parent of this child device, if there is one */
+        struct attribute_group  ** groups;      /* optional groups */
 
         void    (*release)(struct class_device *dev);
         int     (*uevent)(struct class_device *dev, char **envp,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 01db7b88a2b1..309f9190a922 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -506,6 +506,8 @@ struct net_device
 
         /* class/net/name entry */
         struct class_device     class_dev;
+        /* space for optional statistics and wireless sysfs groups */
+        struct attribute_group  *sysfs_groups[3];
 };
 
 #define NETDEV_ALIGN            32
diff --git a/net/core/dev.c b/net/core/dev.c
index 3bad1afc89fa..9ab3cfa58466 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3043,11 +3043,11 @@ void netdev_run_todo(void)
 
                 switch(dev->reg_state) {
                 case NETREG_REGISTERING:
-                        dev->reg_state = NETREG_REGISTERED;
                         err = netdev_register_sysfs(dev);
                         if (err)
                                 printk(KERN_ERR "%s: failed sysfs registration (%d)\n",
                                        dev->name, err);
+                        dev->reg_state = NETREG_REGISTERED;
                         break;
 
                 case NETREG_UNREGISTERING:
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index c12990c9c603..47a6fceb6771 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -29,7 +29,7 @@ static const char fmt_ulong[] = "%lu\n";
 
 static inline int dev_isalive(const struct net_device *dev) 
 {
-        return dev->reg_state == NETREG_REGISTERED;
+        return dev->reg_state <= NETREG_REGISTERED;
 }
 
 /* use same locking rules as GIF* ioctl's */
@@ -445,58 +445,33 @@ static struct class net_class = {
 
 void netdev_unregister_sysfs(struct net_device * net)
 {
-        struct class_device * class_dev = &(net->class_dev);
-
-        if (net->get_stats)
-                sysfs_remove_group(&class_dev->kobj, &netstat_group);
-
-#ifdef WIRELESS_EXT
-        if (net->get_wireless_stats || (net->wireless_handlers &&
-                        net->wireless_handlers->get_wireless_stats))
-                sysfs_remove_group(&class_dev->kobj, &wireless_group);
-#endif
-        class_device_del(class_dev);
-
+        class_device_del(&(net->class_dev));
 }
 
 /* Create sysfs entries for network device. */
 int netdev_register_sysfs(struct net_device *net)
 {
         struct class_device *class_dev = &(net->class_dev);
-        int ret;
+        struct attribute_group **groups = net->sysfs_groups;
 
+        class_device_initialize(class_dev);
         class_dev->class = &net_class;
         class_dev->class_data = net;
+        class_dev->groups = groups;
 
+        BUILD_BUG_ON(BUS_ID_SIZE < IFNAMSIZ);
         strlcpy(class_dev->class_id, net->name, BUS_ID_SIZE);
-        if ((ret = class_device_register(class_dev)))
-                goto out;
 
-        if (net->get_stats &&
-            (ret = sysfs_create_group(&class_dev->kobj, &netstat_group)))
-                goto out_unreg; 
+        if (net->get_stats)
+                *groups++ = &netstat_group;
 
 #ifdef WIRELESS_EXT
-        if (net->get_wireless_stats || (net->wireless_handlers &&
-                        net->wireless_handlers->get_wireless_stats)) {
-                ret = sysfs_create_group(&class_dev->kobj, &wireless_group);
-                if (ret)
-                        goto out_cleanup;
-        }
-        return 0;
-out_cleanup:
-        if (net->get_stats)
-                sysfs_remove_group(&class_dev->kobj, &netstat_group);
-#else
-        return 0;
+        if (net->get_wireless_stats
+            || (net->wireless_handlers && net->wireless_handlers->get_wireless_stats))
+                *groups++ = &wireless_group;
 #endif
 
-out_unreg:
-        printk(KERN_WARNING "%s: sysfs attribute registration failed %d\n",
-               net->name, ret);
-        class_device_unregister(class_dev);
-out:
-        return ret;
+        return class_device_add(class_dev);
 }
 
 int netdev_sysfs_init(void)
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 18d7fad474d7..c9026dbf4c93 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -337,7 +337,7 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
          *      Initialise the virtual path cache for the packet. It describes
          *      how the packet travels inside Linux networking.
          */ 
-        if (likely(skb->dst == NULL)) {
+        if (skb->dst == NULL) {
                 int err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
                                          skb->dev);
                 if (unlikely(err)) {