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* [PATCH net] ibmveth: check return of skb_linearize in ibmveth_start_xmit
@ 2016-03-03 21:22 Thomas Falcon
  2016-03-07 19:40 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Thomas Falcon @ 2016-03-03 21:22 UTC (permalink / raw)
  To: netdev

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>

---
 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

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net] ibmveth: check return of skb_linearize in ibmveth_start_xmit
  2016-03-03 21:22 [PATCH net] ibmveth: check return of skb_linearize in ibmveth_start_xmit Thomas Falcon
@ 2016-03-07 19:40 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2016-03-07 19:40 UTC (permalink / raw)
  To: tlfalcon; +Cc: netdev

From: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Date: Thu,  3 Mar 2016 15:22:36 -0600

> 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>

Applied, thank you.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2016-03-03 21:22 [PATCH net] ibmveth: check return of skb_linearize in ibmveth_start_xmit Thomas Falcon
2016-03-07 19:40 ` David Miller

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