sysfs: kill unnecessary attribute->owner

[pandora-kernel.git] / drivers / net / ibmveth.c

diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 0573fcf..d96eb72 100644 (file)
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -93,7 +93,7 @@ static void ibmveth_proc_unregister_driver(void);
 static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter);
 static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter);
 static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance);
-static inline void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter);
+static void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter);
 static struct kobj_type ktype_veth_pool;
 
 #ifdef CONFIG_PROC_FS
@@ -389,7 +389,7 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter)
        }
 }
 
-static inline void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter)
+static void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter)
 {
        ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator);
 
@@ -915,17 +915,36 @@ static int ibmveth_change_mtu(struct net_device *dev, int new_mtu)
 {
        struct ibmveth_adapter *adapter = dev->priv;
        int new_mtu_oh = new_mtu + IBMVETH_BUFF_OH;
-       int i;
+       int reinit = 0;
+       int i, rc;
 
        if (new_mtu < IBMVETH_MAX_MTU)
                return -EINVAL;
 
+       for (i = 0; i < IbmVethNumBufferPools; i++)
+               if (new_mtu_oh < adapter->rx_buff_pool[i].buff_size)
+                       break;
+
+       if (i == IbmVethNumBufferPools)
+               return -EINVAL;
+
        /* Look for an active buffer pool that can hold the new MTU */
        for(i = 0; i<IbmVethNumBufferPools; i++) {
-               if (!adapter->rx_buff_pool[i].active)
-                       continue;
+               if (!adapter->rx_buff_pool[i].active) {
+                       adapter->rx_buff_pool[i].active = 1;
+                       reinit = 1;
+               }
+
                if (new_mtu_oh < adapter->rx_buff_pool[i].buff_size) {
-                       dev->mtu = new_mtu;
+                       if (reinit && netif_running(adapter->netdev)) {
+                               adapter->pool_config = 1;
+                               ibmveth_close(adapter->netdev);
+                               adapter->pool_config = 0;
+                               dev->mtu = new_mtu;
+                               if ((rc = ibmveth_open(adapter->netdev)))
+                                       return rc;
+                       } else
+                               dev->mtu = new_mtu;
                        return 0;
                }
        }
@@ -953,14 +972,16 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_
        ibmveth_debug_printk_no_adapter("entering ibmveth_probe for UA 0x%x\n",
                                        dev->unit_address);
 
-       mac_addr_p = (unsigned char *) vio_get_attribute(dev, VETH_MAC_ADDR, 0);
+       mac_addr_p = (unsigned char *) vio_get_attribute(dev,
+                                               VETH_MAC_ADDR, NULL);
        if(!mac_addr_p) {
                printk(KERN_ERR "(%s:%3.3d) ERROR: Can't find VETH_MAC_ADDR "
                                "attribute\n", __FILE__, __LINE__);
                return 0;
        }
 
-       mcastFilterSize_p= (unsigned int *) vio_get_attribute(dev, VETH_MCAST_FILTER_SIZE, 0);
+       mcastFilterSize_p = (unsigned int *) vio_get_attribute(dev,
+                                               VETH_MCAST_FILTER_SIZE, NULL);
        if(!mcastFilterSize_p) {
                printk(KERN_ERR "(%s:%3.3d) ERROR: Can't find "
                                "VETH_MCAST_FILTER_SIZE attribute\n",
@@ -1241,16 +1262,19 @@ const char * buf, size_t count)
 
        if (attr == &veth_active_attr) {
                if (value && !pool->active) {
-                       if(ibmveth_alloc_buffer_pool(pool)) {
-                                ibmveth_error_printk("unable to alloc pool\n");
-                                return -ENOMEM;
-                        }
-                       pool->active = 1;
-                       adapter->pool_config = 1;
-                       ibmveth_close(netdev);
-                       adapter->pool_config = 0;
-                       if ((rc = ibmveth_open(netdev)))
-                               return rc;
+                       if (netif_running(netdev)) {
+                               if(ibmveth_alloc_buffer_pool(pool)) {
+                                       ibmveth_error_printk("unable to alloc pool\n");
+                                       return -ENOMEM;
+                               }
+                               pool->active = 1;
+                               adapter->pool_config = 1;
+                               ibmveth_close(netdev);
+                               adapter->pool_config = 0;
+                               if ((rc = ibmveth_open(netdev)))
+                                       return rc;
+                       } else
+                               pool->active = 1;
                } else if (!value && pool->active) {
                        int mtu = netdev->mtu + IBMVETH_BUFF_OH;
                        int i;
@@ -1279,23 +1303,29 @@ const char * buf, size_t count)
                if (value <= 0 || value > IBMVETH_MAX_POOL_COUNT)
                        return -EINVAL;
                else {
-                       adapter->pool_config = 1;
-                       ibmveth_close(netdev);
-                       adapter->pool_config = 0;
-                       pool->size = value;
-                       if ((rc = ibmveth_open(netdev)))
-                               return rc;
+                       if (netif_running(netdev)) {
+                               adapter->pool_config = 1;
+                               ibmveth_close(netdev);
+                               adapter->pool_config = 0;
+                               pool->size = value;
+                               if ((rc = ibmveth_open(netdev)))
+                                       return rc;
+                       } else
+                               pool->size = value;
                }
        } else if (attr == &veth_size_attr) {
                if (value <= IBMVETH_BUFF_OH || value > IBMVETH_MAX_BUF_SIZE)
                        return -EINVAL;
                else {
-                       adapter->pool_config = 1;
-                       ibmveth_close(netdev);
-                       adapter->pool_config = 0;
-                       pool->buff_size = value;
-                       if ((rc = ibmveth_open(netdev)))
-                               return rc;
+                       if (netif_running(netdev)) {
+                               adapter->pool_config = 1;
+                               ibmveth_close(netdev);
+                               adapter->pool_config = 0;
+                               pool->buff_size = value;
+                               if ((rc = ibmveth_open(netdev)))
+                                       return rc;
+                       } else
+                               pool->buff_size = value;
                }
        }
 
@@ -1307,7 +1337,7 @@ const char * buf, size_t count)
 
 #define ATTR(_name, _mode)      \
         struct attribute veth_##_name##_attr = {               \
-        .name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE \
+        .name = __stringify(_name), .mode = _mode, \
         };
 
 static ATTR(active, 0644);