linux-kernel - [PATCH 7/7] [NETDEV]: myri10ge Fix possible causing oops of net_rx

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Date:	Wed, 12 Dec 2007 13:01:27 +0900
From:	"Joonwoo Park" <joonwpark81@...il.com>
To:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Cc:	<jgarzik@...ox.com>, <help@...i.com>
Subject: [PATCH 7/7] [NETDEV]: myri10ge Fix possible causing oops of net_rx_action

[NETDEV]: myri10ge Fix possible causing oops of net_rx_action

Signed-off-by: Joonwoo Park <joonwpark81@...il.com>
---
 drivers/net/myri10ge/myri10ge.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 8def865..57311ed 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -1242,6 +1242,8 @@ static int myri10ge_poll(struct napi_struct *napi, int budget)
 	if (work_done < budget || !netif_running(netdev)) {
 		netif_rx_complete(netdev, napi);
 		put_be32(htonl(3), mgp->irq_claim);
+		if (unlikely(work_done == napi->weight))
+			return work_done - 1;
 	}
 	return work_done;
 }
---

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