diff options
| author | Andy King <acking@vmware.com> | 2014-09-02 13:13:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-05 11:50:39 -0700 |
| commit | 4ad9a64f53c619969dede1143d56ccda1a453c39 (patch) | |
| tree | aed2b0a68fefb0493c0ecd12cb7f4d0ce0e4b9e4 /drivers/net/vmxnet3/vmxnet3_drv.c | |
| parent | c5eba0b6f84eb4f0fdc1d8a4abc1c7d40db6e8a6 (diff) | |
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>
Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_drv.c')
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_drv.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index d6e90c72c257..6dfcbf523936 100644 --- 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 |