[LEDE-DEV] [PATCH] iwinfo get scan results from wpa_supplicant in station mode. wpa_supplicant return some other info before return results. Loop recv until get real scan results.

[Adams]

---
 .../utils/iwinfo/patches/002-wds-scan.patch        |   26 ++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 package/network/utils/iwinfo/patches/002-wds-scan.patch

diff --git a/package/network/utils/iwinfo/patches/002-wds-scan.patch 
b/package/network/utils/iwinfo/patches/002-wds-scan.patch
new file mode 100644
index 0000000..46d7a61
--- /dev/null
+++ b/package/network/utils/iwinfo/patches/002-wds-scan.patch
@@ -0,0 +1,26 @@
+Index: libiwinfo-2016-09-21-fd9e17be/iwinfo_nl80211.c
+===================================================================
+--- libiwinfo-2016-09-21-fd9e17be.orig/iwinfo_nl80211.c        2017-05-12 
09:15:36.572930342 +0800
++++ libiwinfo-2016-09-21-fd9e17be/iwinfo_nl80211.c     2017-05-12 
09:19:58.311845210 +0800
+@@ -2241,6 +2241,12 @@
+       /* receive and parse scan results if the wait above didn't time out */
+       if (ready && nl80211_wpactl_recv(sock, reply, sizeof(reply)) > 0)
+       {
++
++              while(!strstr(reply, "bssid")) {
++                      if(nl80211_wpactl_recv(sock, reply, sizeof(reply)) <= 0)
++                              goto end;
++              }
++
+               nl80211_get_quality_max(ifname, &qmax);
+ 
+               for (line = strtok_r(reply, "\n", &pos);
+@@ -2319,7 +2325,7 @@
+ 
+               *len = count * sizeof(struct iwinfo_scanlist_entry);
+       }
+-
++end:
+       close(sock);
+       unlink(local.sun_path);
+ 
-- 
1.7.9.5


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