Return-path: Received: from smtp.nokia.com ([192.100.122.233]:50891 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933970AbZLKLmj (ORCPT ); Fri, 11 Dec 2009 06:42:39 -0500 From: Luciano Coelho To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Juuso Oikarinen Subject: [PATCH 30/31] wl1271: Check vif for NULL when indicating beacon-loss Date: Fri, 11 Dec 2009 13:41:21 +0200 Message-Id: <1260531682-4695-31-git-send-email-luciano.coelho@nokia.com> In-Reply-To: <1260531682-4695-1-git-send-email-luciano.coelho@nokia.com> References: <1260531682-4695-1-git-send-email-luciano.coelho@nokia.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Juuso Oikarinen Because the interface is started and the vif are created and destroyed separately, there is a slim possibility beacon-loss indications occur while there is no vif - causing a kernel-oops unless checked. Add checking for the vif. Signed-off-by: Juuso Oikarinen Reviewed-by: Luciano Coelho Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/wl1271_event.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c index 6ff535d..0a145af 100644 --- a/drivers/net/wireless/wl12xx/wl1271_event.c +++ b/drivers/net/wireless/wl12xx/wl1271_event.c @@ -150,7 +150,7 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) return ret; } - if (beacon_loss) { + if (wl->vif && beacon_loss) { /* Obviously, it's dangerous to release the mutex while we are holding many of the variables in the wl struct. That's why it's done last in the function, and care must -- 1.6.3.3