cfg80211: fix wiphy remove if no regulatory request

Fixes the segfault I just pointed out.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 0990059..9e5a9f9 100644 (file)
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1330,7 +1330,7 @@ int set_regdom(const struct ieee80211_regdomain *rd)
 /* Caller must hold cfg80211_drv_mutex */
 void reg_device_remove(struct wiphy *wiphy)
 {
-       if (!last_request->wiphy)
+       if (!last_request || !last_request->wiphy)
                return;
        if (last_request->wiphy != wiphy)
                return;