cfg80211: allow drivers that can't scan for specific ssids

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 2 insertions, 4 deletions

diff --git a/net/wireless/core.c b/net/wireless/core.c
index d5850292b3df..a98670ca98b8 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -346,9 +346,6 @@ int wiphy_register(struct wiphy *wiphy)
         int i;
         u16 ifmodes = wiphy->interface_modes;
 
-        if (WARN_ON(wiphy->max_scan_ssids < 1))
-                return -EINVAL;
-
         /* sanity check ifmodes */
         WARN_ON(!ifmodes);
         ifmodes &= ((1 << __NL80211_IFTYPE_AFTER_LAST) - 1) & ~1;
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 7dbe6c62e5c8..bb97061219ca 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -247,7 +247,8 @@ int cfg80211_wext_giwrange(struct net_device *dev,
         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 
-        range->scan_capa |= IW_SCAN_CAPA_ESSID;
+        if (wdev->wiphy->max_scan_ssids > 0)
+                range->scan_capa |= IW_SCAN_CAPA_ESSID;
 
         return 0;
 }