From: Piotr Haber <phaber@broadcom.com>
Date: Wed, 19 Sep 2012 20:21:15 +0000 (+0200)
Subject: brcmsmac: don't start device when RfKill is engaged
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=82d8eba358badb466a4e988ecabf0668a8d92e9c;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

brcmsmac: don't start device when RfKill is engaged

This patch fixes a bug when device is being started
while RfKill switch is engaged, leading to hang
due to partial initialization of hardware.

Tested-by: <dragonn@op.pl>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 718da8d6d65..a744ea5a955 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -304,7 +304,10 @@ static int brcms_ops_start(struct ieee80211_hw *hw)
 	wl->mute_tx = true;
 
 	if (!wl->pub->up)
-		err = brcms_up(wl);
+		if (!blocked)
+			err = brcms_up(wl);
+		else
+			err = -ERFKILL;
 	else
 		err = -ENODEV;
 	spin_unlock_bh(&wl->lock);