From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 1 Dec 2008 17:13:05 +0000 (+0100)
Subject: cfg80211: "fix" 11d oops
X-Git-Tag: v2.6.29-rc1~581^2~305^2~32
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=0f70f398460adb2d8aabb00e7e65f58247f219a3;p=~shefty%2Frdma-dev.git

cfg80211: "fix" 11d oops

This "fixes" the 11d oops I was seeing. This needs some more work but I
cannot work on it now.

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 9e5a9f97547..4f877535e66 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -989,6 +989,9 @@ void regulatory_hint_11d(struct wiphy *wiphy,
 	u32 checksum = 0;
 	enum environment_cap env = ENVIRON_ANY;
 
+	if (!last_request)
+		return;
+
 	mutex_lock(&cfg80211_drv_mutex);
 
 	/* IE len must be evenly divisible by 2 */