netdev - [PATCH] r8169 Fix hang in rtl8169

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Date:	Mon, 15 Oct 2007 22:25:46 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	jgarzik@...ox.com, netdev@...r.kernel.org
Subject: [PATCH] r8169 Fix hang in rtl8169_down (NAPI)

commit bea3348eef27e6044b6161fd04c3152215f96411 :
[NET]: Make NAPI polling independent of struct net_device objects.
causes my machine to hang on shutdown. The following patch fixes the
problem for me.

Signed-off-by: Markus Trippelsdorf <markus@...ppelsdorf.de>

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 419c00c..2cddbf8 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2888,10 +2888,12 @@ core_down:

 	synchronize_irq(dev->irq);

+#ifdef CONFIG_R8169_NAPI
 	if (!poll_locked) {
 		napi_disable(&tp->napi);
 		poll_locked++;
 	}
+#endif

 	/* Give a racing hard_start_xmit a few cycles to complete. */
 	synchronize_sched();  /* FIXME: should this be synchronize_irq()? */

-- 
Markus
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