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[PATCH 1/7] : e1000 Fix possible causing oops of net_rx_action

From: Joonwoo Park <hidden>
Date: 2007-12-12 04:03:15
Also in: lkml
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

[NETDEV]: e1000 Fix possible causing oops of net_rx_action
returning work_done == weight as true after calling netif_rx_complete will cause oops in net_rx_action.

Thanks
Joonwoo

Signed-off-by: Joonwoo Park <redacted>
---
 drivers/net/e1000/e1000_main.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 4f37506..4dd61e3 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3949,6 +3949,8 @@ quit_polling:
 			e1000_set_itr(adapter);
 		netif_rx_complete(poll_dev, napi);
 		e1000_irq_enable(adapter);
+		if (unlikely(work_done == napi->weight))
+			return work_done - 1;
 	}
 
 	return work_done;
---
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