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amd-xgbe: Check for complete packet on skb allocation error 

If the skb allocation fails during receive processing, the driver would
continue reading descriptors without first determining if there were
any more descriptors for the current packet. Update the code to check
whether more descriptors are associated with the current packet or
whether to move on to the next descriptor as a new packet.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas 2014-11-06 17:02:19 -06:00 committed by David S. Miller
parent e98c72c942
commit f5eecbbef0
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
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@ -1908,7 +1908,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
skb = xgbe_create_skb(pdata, rdata, &put_len);
if (!skb) {
error = 1;
goto read_again;
goto skip_data;
}
}
@ -1926,10 +1926,10 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget)
}
}
skip_data:
if (incomplete || context_next)
goto read_again;
/* Stray Context Descriptor? */
if (!skb)
goto next_packet;