From cdd0864a495a4c6a6f60cae854ca962cfa1f1026 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sat, 8 May 2010 18:25:17 +0200
Subject: [PATCH] wl1271: add missing spin_lock()

We should start the loop consistently with the "wl_lock" lock held.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/wl12xx/wl1271_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 3e4b9fbe8a00..b61cd102752f 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -466,6 +466,7 @@ static void wl1271_irq_work(struct work_struct *work)
 		intr = le32_to_cpu(wl->fw_status->intr);
 		if (!intr) {
 			wl1271_debug(DEBUG_IRQ, "Zero interrupt received.");
+			spin_lock_irqsave(&wl->wl_lock, flags);
 			continue;
 		}