1 files changed, 5 insertions, 2 deletions

diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index e7904db55325..8292431ac48f 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -1061,7 +1061,10 @@ static int ieee80211_ioctl_prism2_param(struct net_device *dev,
                 break;
 
         case PRISM2_PARAM_PREAMBLE:
-                local->short_preamble = value;
+                if (sdata->type != IEEE80211_IF_TYPE_AP)
+                        ret = -ENOENT;
+                else
+                        sdata->short_preamble = value;
                 break;
 
         case PRISM2_PARAM_STAT_TIME:
@@ -1184,7 +1187,7 @@ static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
                 break;
 
         case PRISM2_PARAM_PREAMBLE:
-                *param = local->short_preamble;
+                *param = sdata->short_preamble;
                 break;
 
         case PRISM2_PARAM_STAT_TIME: