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ibmvnic: Allocate and request vpd in init_resources

In reset events in which our memory allocations need to be reallocated,
VPD data is being freed, but never reallocated. This can cause issues if
we later attempt to access that memory or reset and attempt to free the
memory. This patch moves the allocation of the VPD data to init_resources
so that it will be symmetrically freed during release resources.

Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John Allen 8 年之前
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共有 1 个文件被更改,包括 9 次插入7 次删除
  1. 9 7
      drivers/net/ethernet/ibm/ibmvnic.c

+ 9 - 7
drivers/net/ethernet/ibm/ibmvnic.c

@@ -881,7 +881,7 @@ static int ibmvnic_get_vpd(struct ibmvnic_adapter *adapter)
 	if (adapter->vpd->buff)
 	if (adapter->vpd->buff)
 		len = adapter->vpd->len;
 		len = adapter->vpd->len;
 
 
-	reinit_completion(&adapter->fw_done);
+	init_completion(&adapter->fw_done);
 	crq.get_vpd_size.first = IBMVNIC_CRQ_CMD;
 	crq.get_vpd_size.first = IBMVNIC_CRQ_CMD;
 	crq.get_vpd_size.cmd = GET_VPD_SIZE;
 	crq.get_vpd_size.cmd = GET_VPD_SIZE;
 	ibmvnic_send_crq(adapter, &crq);
 	ibmvnic_send_crq(adapter, &crq);
@@ -943,6 +943,13 @@ static int init_resources(struct ibmvnic_adapter *adapter)
 	if (!adapter->vpd)
 	if (!adapter->vpd)
 		return -ENOMEM;
 		return -ENOMEM;
 
 
+	/* Vital Product Data (VPD) */
+	rc = ibmvnic_get_vpd(adapter);
+	if (rc) {
+		netdev_err(netdev, "failed to initialize Vital Product Data (VPD)\n");
+		return rc;
+	}
+
 	adapter->map_id = 1;
 	adapter->map_id = 1;
 	adapter->napi = kcalloc(adapter->req_rx_queues,
 	adapter->napi = kcalloc(adapter->req_rx_queues,
 				sizeof(struct napi_struct), GFP_KERNEL);
 				sizeof(struct napi_struct), GFP_KERNEL);
@@ -1016,7 +1023,7 @@ static int __ibmvnic_open(struct net_device *netdev)
 static int ibmvnic_open(struct net_device *netdev)
 static int ibmvnic_open(struct net_device *netdev)
 {
 {
 	struct ibmvnic_adapter *adapter = netdev_priv(netdev);
 	struct ibmvnic_adapter *adapter = netdev_priv(netdev);
-	int rc, vpd;
+	int rc;
 
 
 	mutex_lock(&adapter->reset_lock);
 	mutex_lock(&adapter->reset_lock);
 
 
@@ -1039,11 +1046,6 @@ static int ibmvnic_open(struct net_device *netdev)
 	rc = __ibmvnic_open(netdev);
 	rc = __ibmvnic_open(netdev);
 	netif_carrier_on(netdev);
 	netif_carrier_on(netdev);
 
 
-	/* Vital Product Data (VPD) */
-	vpd = ibmvnic_get_vpd(adapter);
-	if (vpd)
-		netdev_err(netdev, "failed to initialize Vital Product Data (VPD)\n");
-
 	mutex_unlock(&adapter->reset_lock);
 	mutex_unlock(&adapter->reset_lock);
 
 
 	return rc;
 	return rc;