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ibmveth: check return of skb_linearize in ibmveth_start_xmit

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If skb_linearize fails, the driver should drop the packet
instead of trying to copy it into the bounce buffer.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Falcon 2016-03-03 15:22:36 -06:00 committed by David S. Miller
parent 48906f62c9
commit 2c42bf4b43
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/ibm/ibmveth.c
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@ -1166,7 +1166,10 @@ static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb,
if (!firmware_has_feature(FW_FEATURE_CMO))
netdev_err(netdev, "tx: unable to map xmit buffer\n");
adapter->tx_map_failed++;
skb_linearize(skb);
if (skb_linearize(skb)) {
netdev->stats.tx_dropped++;
goto out;
}
force_bounce = 1;
goto retry_bounce;
}