[PATCH] linux: check the prefix 'wlan' for WiFi device as the last fallback

["Shih-Yuan Lee (FourDollars)" <sylee canonical com>]

https://bugzilla.gnome.org/show_bug.cgi?id=767317

Signed-off-by: Shih-Yuan Lee (FourDollars) <sylee canonical com>
---
 src/platform/wifi/wifi-utils.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/platform/wifi/wifi-utils.c b/src/platform/wifi/wifi-utils.c
index de858e4..95aae81 100644
--- a/src/platform/wifi/wifi-utils.c
+++ b/src/platform/wifi/wifi-utils.c
@@ -200,6 +200,15 @@ wifi_utils_is_wifi (const char *iface)
                return TRUE;
 #endif
 
+       /* The sysfs path may not exist due to race conditions while accessing sysfs.
+        * It's better to check the prefix 'wlan' as the last fallback method.
+        *
+        * For example, 'wlan0' has been renamed to 'wlp1s0', but it's still checking
+        * 'wlan0' above so it will always fail.
+        */
+       if (g_str_has_prefix (iface, "wlan"))
+               return TRUE;
+
        return FALSE;
 }
 
-- 
2.7.4