linux-kernel - [45/68] cxgb3: fix hot plug removal crash

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Message-Id: <20100924163348.018890137@clark.site>
Date:	Fri, 24 Sep 2010 09:32:09 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Divy Le Ray <divy@...lsio.com>,
	"David S. Miller" <davem@...emloft.net>,
	Brandon Philips <bphilips@...e.de>
Subject: [45/68] cxgb3: fix hot plug removal crash

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Divy Le Ray <divy@...lsio.com>

commit a6f018e324ba91d0464cca6895447c2b89e6d578 upstream.

queue restart tasklets need to be stopped after napi handlers are stopped
since the latter can restart them.  So stop them after stopping napi.

Signed-off-by: Divy Le Ray <divy@...lsio.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Brandon Philips <bphilips@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/cxgb3/cxgb3_main.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1274,6 +1274,7 @@ static void cxgb_down(struct adapter *ad
 
 	free_irq_resources(adapter);
 	quiesce_rx(adapter);
+	t3_sge_stop(adapter);
 	flush_workqueue(cxgb3_wq);	/* wait for external IRQ handler */
 }
 


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