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Message-Id: <1245424412-15106-1-git-send-email-jirislaby@gmail.com>
Date:	Fri, 19 Jun 2009 17:13:32 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	linux-driver@...gic.com
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Jiri Slaby <jirislaby@...il.com>
Subject: [PATCH 1/1] Net: qla3xxx, remove sleeping in atomic

Hi, we've found this sleep-inside-spinlock.

The fix below totally untested, please review carefully.

--

We cannot sleep in ql_reset_work under spinlock, unlock before sleep,
relock after.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>
---
 drivers/net/qla3xxx.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 8a823ec..bbc6d4d 100644
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -3837,7 +3837,9 @@ static void ql_reset_work(struct work_struct *work)
 						      16) | ISP_CONTROL_RI));
 			}
 
+			spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 			ssleep(1);
+			spin_lock_irqsave(&qdev->hw_lock, hw_flags);
 		} while (--max_wait_time);
 		spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 
-- 
1.6.3.2
caught by stanse
--
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