nl80211: fix netlink snd_portinfo

use genl_info_snd_portid() in nl80211.c for allowing building
with varoius kernel versions.

Signed-off-by: Eyal Reizer <eyalr@ti.com>

patches/collateral-evolutions/network/0007-nl80211-fix-netlink-portid-usage.patch

@@ -0,0 +1,77 @@
+From e8e412345dd09ab51c00340544eca83e6250d96d Mon Sep 17 00:00:00 2001
+From: Eyal Reizer <eyalr@ti.com>
+Date: Tue, 3 Sep 2013 16:46:53 +0300
+Subject: [PATCH] nl80211: fix netlink portid usage
+
+The patch:
+
+commit 15e473046cb6e5d18a4d0057e61d76315230382b
+Author: Eric W. Biederman <ebiederm@xmission.com>
+Date:   Fri Sep 7 20:12:54 2012 +0000
+
+    netlink: Rename pid to portid to avoid confusion
+
+    It is a frequent mistake to confuse the netlink port identifier with a
+    process identifier.  Try to reduce this confusion by renaming fields
+    that hold port identifiers portid instead of pid.
+
+    I have carefully avoided changing the structures exported to
+    userspace to avoid changing the userspace API.
+
+    I have successfully built an allyesconfig kernel with this change.
+
+    Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
+    Acked-by: Stephen Hemminger <shemminger@vyatta.com>
+    Signed-off-by: David S. Miller <davem@davemloft.net>
+
+Changed the struct members:
+
+struct netlink_notify->pid    to
+struct netlink_notify->portid
+
+struct genl_info->snd_pid     to
+struct genl_info->snd_portid
+
+To help backport this and not have to #ifdef around it against
+kernel versions compat has introduced two helpers for us to
+simply do the backport with two macro helpers:
+
+genl_info_snd_portid()
+netlink_notify_portid()
+
+most of this has been taken care of in the compat patch
+"0005-netlink-portid.patch"
+
+modify nl80211.c to use genl_info_snd_portid() where the previous patch was
+missing it.
+
+Signed-off-by: Eyal Reizer <eyalr@ti.com>
+---
+ net/wireless/nl80211.c |    4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index 0f621b20..f949618 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -5213,7 +5213,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
+ 	}
+
+ 	if (info->attrs[NL80211_ATTR_IM_SCAN_RESULT]) {
+-		rdev->im_scan_result_snd_pid = info->snd_portid;
++		rdev->im_scan_result_snd_pid = genl_info_snd_portid(info);
+ 		if (info->attrs[NL80211_ATTR_IM_SCAN_RESULT_MIN_RSSI]) {
+ 			attr = info->attrs[NL80211_ATTR_IM_SCAN_RESULT_MIN_RSSI];
+ 			rdev->im_scan_result_min_rssi_mbm =
+@@ -8436,7 +8436,7 @@ static int nl80211_crit_protocol_start(struct sk_buff *skb,
+
+ 	ret = rdev_crit_proto_start(rdev, wdev, proto, duration);
+ 	if (!ret)
+-		rdev->crit_proto_nlportid = info->snd_portid;
++		rdev->crit_proto_nlportid = genl_info_snd_portid(info);
+
+ 	return ret;
+ }
+-- 
+1.7.9.5
+