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path: root/drivers/net/ibmveth.c
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Diffstat (limited to 'drivers/net/ibmveth.c')
-rw-r--r--drivers/net/ibmveth.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index d96eb722954..acba90f1638 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -963,7 +963,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_
{
int rc, i;
struct net_device *netdev;
- struct ibmveth_adapter *adapter = NULL;
+ struct ibmveth_adapter *adapter;
unsigned char *mac_addr_p;
unsigned int *mcastFilterSize_p;
@@ -997,7 +997,6 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_
SET_MODULE_OWNER(netdev);
adapter = netdev->priv;
- memset(adapter, 0, sizeof(adapter));
dev->dev.driver_data = netdev;
adapter->vdev = dev;
@@ -1280,24 +1279,28 @@ const char * buf, size_t count)
int i;
/* Make sure there is a buffer pool with buffers that
can hold a packet of the size of the MTU */
- for(i = 0; i<IbmVethNumBufferPools; i++) {
+ for (i = 0; i < IbmVethNumBufferPools; i++) {
if (pool == &adapter->rx_buff_pool[i])
continue;
if (!adapter->rx_buff_pool[i].active)
continue;
- if (mtu < adapter->rx_buff_pool[i].buff_size) {
- pool->active = 0;
- h_free_logical_lan_buffer(adapter->
- vdev->
- unit_address,
- pool->
- buff_size);
- }
+ if (mtu <= adapter->rx_buff_pool[i].buff_size)
+ break;
}
- if (pool->active) {
+
+ if (i == IbmVethNumBufferPools) {
ibmveth_error_printk("no active pool >= MTU\n");
return -EPERM;
}
+
+ pool->active = 0;
+ if (netif_running(netdev)) {
+ adapter->pool_config = 1;
+ ibmveth_close(netdev);
+ adapter->pool_config = 0;
+ if ((rc = ibmveth_open(netdev)))
+ return rc;
+ }
}
} else if (attr == &veth_num_attr) {
if (value <= 0 || value > IBMVETH_MAX_POOL_COUNT)