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ibmveth: check return of skb_linearize in ibmveth_start_xmit
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>
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1 changed files with 4 additions and 1 deletions
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@ -1166,7 +1166,10 @@ static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb,
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if (!firmware_has_feature(FW_FEATURE_CMO))
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netdev_err(netdev, "tx: unable to map xmit buffer\n");
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adapter->tx_map_failed++;
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skb_linearize(skb);
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if (skb_linearize(skb)) {
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netdev->stats.tx_dropped++;
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goto out;
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}
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force_bounce = 1;
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goto retry_bounce;
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}
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