Fix for null pointer crash (mga#16390)

Patch from ubuntu
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1415880

Signed-off-by: Thomas Backlund <tmb@mageia.org>


--- 6_30_223_271/src/wl/sys/wl_linux.c.orig	2015-09-19 01:47:30.000000000 +0300
+++ 6_30_223_271/src/wl/sys/wl_linux.c	2015-10-05 15:54:31.762493307 +0300
@@ -2165,8 +2165,8 @@ wl_start(struct sk_buff *skb, struct net
 	wlif = WL_DEV_IF(dev);
 	wl = WL_INFO(dev);
 
+	skb->prev = NULL;
 	if (WL_ALL_PASSIVE_ENAB(wl) || (WL_RTR() && WL_CONFIG_SMP())) {
-		skb->prev = NULL;
 
 		TXQ_LOCK(wl);