[v4,2/5] mac80211: align ieee80211_ibss_csa_beacon() with ieee80211_csa_beacon()

Commit Message

Luca Coelho Nov. 13, 2013, 5:47 p.m. UTC

The return value of ieee80211_ibss_csa_beacon is not aligned with the
return value of ieee80211_csa_beacon().  For consistency and to be
able to use both functions with similar code, change
ieee80211_ibss_csa_beacon() not to send the bss changed notification
itself, but return what has changed so the caller can send the
notification instead.

Signed-off-by: Luciano Coelho <[e-mail]>
---

In v4:

   * use goto out instead of sdata_unlock and return in the middle of
     the flow; (Ilan)

 net/mac80211/ibss.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

Patch

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 548eae8..3300209 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -522,7 +522,7 @@  int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
 	if (csa_settings)
 		ieee80211_send_action_csa(sdata, csa_settings);
 
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
+	return BSS_CHANGED_BEACON;
  out:
 	return ret;
 }
@@ -559,11 +559,17 @@  int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata)
 
 	/* generate the beacon */
 	err = ieee80211_ibss_csa_beacon(sdata, NULL);
-	sdata_unlock(sdata);
 	if (err < 0)
-		return err;
+		goto out;
 
-	return 0;
+	if (err) {
+		ieee80211_bss_info_change_notify(sdata, err);
+		err = 0;
+	}
+out:
+	sdata_unlock(sdata);
+
+	return err;
 }
 
 void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata)