Add locked-version for cfg80211_sched_scan_stopped.
This is used for some users that might want to
call it when rtnl is already locked.
Fixes: d43c6b6 ("mac80211: reschedule sched scan after HW restart")
Cc: stable@xxxxxxxxxxxxxxx (3.14+)
Signed-off-by: Eliad Peller <eliadx.peller@xxxxxxxxx>
---
include/net/cfg80211.h | 12 ++++++++++++
net/wireless/scan.c | 13 +++++++++++--
2 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7eae46c..f2c3186 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3692,6 +3692,18 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy);
void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
/**
+ * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
+ *
+ * @wiphy: the wiphy on which the scheduled scan stopped
+ *
+ * The driver can call this function to inform cfg80211 that the
+ * scheduled scan had to be stopped, for whatever reason. The driver
+ * is then called back via the sched_scan_stop operation when done.
+ * This function should be called with rtnl locked.
+ */
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
+
+/**
* cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
*
* @wiphy: the wiphy reporting the BSS
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 0f5da18..c0abd75 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -284,18 +284,27 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy)
}
EXPORT_SYMBOL(cfg80211_sched_scan_results);
-void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+ ASSERT_RTNL();
+
trace_cfg80211_sched_scan_stopped(wiphy);
- rtnl_lock();
__cfg80211_stop_sched_scan(rdev, true);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_stopped_rtnl);
+
+void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+{
+ rtnl_lock();
+ cfg80211_sched_scan_stopped_rtnl(wiphy);
rtnl_unlock();
}
EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
+
int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
bool driver_initiated)
{
--
1.8.5.2.229.g4448466.dirty
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