Merge remote-tracking branch 'arm-soc/for-next'

[karo-tx-linux.git] / net / mac80211 / scan.c

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 11d0901ebb7b6e1015abae8534ee3aa6cc5c8b26..4aeca4b0c3cb426ba65b23d4a8ebc756e7a826a4 100644 (file)
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -16,7 +16,6 @@
 #include <linux/if_arp.h>
 #include <linux/etherdevice.h>
 #include <linux/rtnetlink.h>
-#include <linux/pm_qos.h>
 #include <net/sch_generic.h>
 #include <linux/slab.h>
 #include <linux/export.h>
@@ -67,24 +66,23 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
        struct cfg80211_bss *cbss;
        struct ieee80211_bss *bss;
        int clen, srlen;
-       enum nl80211_bss_scan_width scan_width;
-       s32 signal = 0;
+       struct cfg80211_inform_bss bss_meta = {};
        bool signal_valid;
 
        if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
-               signal = rx_status->signal * 100;
+               bss_meta.signal = rx_status->signal * 100;
        else if (ieee80211_hw_check(&local->hw, SIGNAL_UNSPEC))
-               signal = (rx_status->signal * 100) / local->hw.max_signal;
+               bss_meta.signal = (rx_status->signal * 100) / local->hw.max_signal;
 
-       scan_width = NL80211_BSS_CHAN_WIDTH_20;
+       bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_20;
        if (rx_status->flag & RX_FLAG_5MHZ)
-               scan_width = NL80211_BSS_CHAN_WIDTH_5;
+               bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_5;
        if (rx_status->flag & RX_FLAG_10MHZ)
-               scan_width = NL80211_BSS_CHAN_WIDTH_10;
+               bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
 
-       cbss = cfg80211_inform_bss_width_frame(local->hw.wiphy, channel,
-                                              scan_width, mgmt, len, signal,
-                                              GFP_ATOMIC);
+       bss_meta.chan = channel;
+       cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta,
+                                             mgmt, len, GFP_ATOMIC);
        if (!cbss)
                return NULL;
        /* In case the signal is invalid update the status */
@@ -1142,10 +1140,10 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
        return ret;
 }
 
-int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
+int ieee80211_request_sched_scan_stop(struct ieee80211_local *local)
 {
-       struct ieee80211_local *local = sdata->local;
-       int ret = 0;
+       struct ieee80211_sub_if_data *sched_scan_sdata;
+       int ret = -ENOENT;
 
        mutex_lock(&local->mtx);
 
@@ -1157,8 +1155,10 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
        /* We don't want to restart sched scan anymore. */
        RCU_INIT_POINTER(local->sched_scan_req, NULL);
 
-       if (rcu_access_pointer(local->sched_scan_sdata)) {
-               ret = drv_sched_scan_stop(local, sdata);
+       sched_scan_sdata = rcu_dereference_protected(local->sched_scan_sdata,
+                                               lockdep_is_held(&local->mtx));
+       if (sched_scan_sdata) {
+               ret = drv_sched_scan_stop(local, sched_scan_sdata);
                if (!ret)
                        RCU_INIT_POINTER(local->sched_scan_sdata, NULL);
        }