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Date:	Sun,  8 Dec 2013 10:25:14 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Luciano Coelho <luca@...lho.fi>,
	"John W. Linville" <linville@...driver.com>
Cc:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, freemangordon@....bg,
	aaro.koskinen@....fi, pavel@....cz, sre@...g0.de,
	joni.lapilainen@...il.com,
	Johannes Berg <johannes@...solutions.net>,
	Felipe Contreras <felipe.contreras@...il.com>,
	Pali Rohár <pali.rohar@...il.com>
Subject: [PATCH v2 16/16] wl1251: fix NULL pointer dereference

Signed-off-by: Pali Rohár <pali.rohar@...il.com>
Reported-by: Felipe Contreras <felipe.contreras@...il.com>
---
 drivers/net/wireless/ti/wl1251/event.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ti/wl1251/event.c b/drivers/net/wireless/ti/wl1251/event.c
index 192cebd..db01053 100644
--- a/drivers/net/wireless/ti/wl1251/event.c
+++ b/drivers/net/wireless/ti/wl1251/event.c
@@ -124,7 +124,7 @@ static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox)
 			return ret;
 	}
 
-	if (vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID) {
+	if (wl->vif && vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID) {
 		wl1251_debug(DEBUG_EVENT, "SYNCHRONIZATION_TIMEOUT_EVENT");
 
 		/* indicate to the stack, that beacons have been lost */
-- 
1.7.9.5

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