[PATCH net] ibmveth: check return of skb_linearize in ibmveth_start_xmit

[Thomas Falcon]

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 <tlfal...@linux.vnet.ibm.com>

---
 drivers/net/ethernet/ibm/ibmveth.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ibm/ibmveth.c 
b/drivers/net/ethernet/ibm/ibmveth.c
index 335417b..ebe6071 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1166,7 +1166,10 @@ map_failed:
        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;
 }
-- 
2.4.3