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[PATCH v7 05/11] nl80211: Add SOCKET_OWNER support to JOIN_IBSS

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Signed-off-by: Denis Kenzior <denkenz@xxxxxxxxx>
---
 include/uapi/linux/nl80211.h | 2 ++
 net/wireless/ibss.c          | 1 +
 net/wireless/nl80211.c       | 6 ++++++
 3 files changed, 9 insertions(+)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 1cdac3d732c1..877fab2836ec 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1985,6 +1985,8 @@ enum nl80211_commands {
  *	multicast group.
  *	If set during %NL80211_CMD_ASSOCIATE or %NL80211_CMD_CONNECT the
  *	station will deauthenticate when the socket is closed.
+ *	If set during %NL80211_CMD_JOIN_IBSS the IBSS will be automatically
+ *	torn down when the socket is closed.
  *
  * @NL80211_ATTR_TDLS_INITIATOR: flag attribute indicating the current end is
  *	the TDLS link initiator.
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index a1d10993d08a..d5d26fc5b853 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -224,6 +224,7 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
 	if (err)
 		return err;
 
+	wdev->conn_owner_nlportid = 0;
 	__cfg80211_clear_ibss(dev, nowext);
 
 	return 0;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 234f6a41aa03..2f630ee3240b 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -8704,6 +8704,12 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
 	err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
 	if (err)
 		kzfree(connkeys);
+	else if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
+		wdev_lock(dev->ieee80211_ptr);
+		dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
+		wdev_unlock(dev->ieee80211_ptr);
+	}
+
 	return err;
 }
 
-- 
2.13.5




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