VMXNET3: Check for map error in vmxnet3_set_mc

We should check if the map of the table actually succeeds, and also free
resources accordingly.

Version bumped to 1.2.1.0

Acked-by: Shelley Gong <shelleygong@vmware.com>
Acked-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: Andy King <acking@vmware.com>
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index d6e90c7..6dfcbf5 100644 (file)
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2056,7 +2056,6 @@ vmxnet3_set_mc(struct net_device *netdev)
                if (!netdev_mc_empty(netdev)) {
                        new_table = vmxnet3_copy_mc(netdev);
                        if (new_table) {
-                               new_mode |= VMXNET3_RXM_MCAST;
                                rxConf->mfTableLen = cpu_to_le16(
                                        netdev_mc_count(netdev) * ETH_ALEN);
                                new_table_pa = dma_map_single(
@@ -2064,15 +2063,18 @@ vmxnet3_set_mc(struct net_device *netdev)
                                                        new_table,
                                                        rxConf->mfTableLen,
                                                        PCI_DMA_TODEVICE);
+                       }
+
+                       if (new_table_pa) {
+                               new_mode |= VMXNET3_RXM_MCAST;
                                rxConf->mfTablePA = cpu_to_le64(new_table_pa);
                        } else {
-                               netdev_info(netdev, "failed to copy mcast list"
-                                           ", setting ALL_MULTI\n");
+                               netdev_info(netdev,
+                                           "failed to copy mcast list, setting ALL_MULTI\n");
                                new_mode |= VMXNET3_RXM_ALL_MULTI;
                        }
                }
 
-
        if (!(new_mode & VMXNET3_RXM_MCAST)) {
                rxConf->mfTableLen = 0;
                rxConf->mfTablePA = 0;
@@ -2091,11 +2093,10 @@ vmxnet3_set_mc(struct net_device *netdev)
                               VMXNET3_CMD_UPDATE_MAC_FILTERS);
        spin_unlock_irqrestore(&adapter->cmd_lock, flags);
 
-       if (new_table) {
+       if (new_table_pa)
                dma_unmap_single(&adapter->pdev->dev, new_table_pa,
                                 rxConf->mfTableLen, PCI_DMA_TODEVICE);
-               kfree(new_table);
-       }
+       kfree(new_table);
 }
 
 void

diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 29ee77f..3759479 100644 (file)
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -69,10 +69,10 @@
 /*
  * Version numbers
  */
-#define VMXNET3_DRIVER_VERSION_STRING   "1.2.0.0-k"
+#define VMXNET3_DRIVER_VERSION_STRING   "1.2.1.0-k"
 
 /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
-#define VMXNET3_DRIVER_VERSION_NUM      0x01020000
+#define VMXNET3_DRIVER_VERSION_NUM      0x01020100
 
 #if defined(CONFIG_PCI_MSI)
        /* RSS only makes sense if MSI-X is supported. */