In the already-set and intersect case of a driver-hint, the previous
wiphy regdomain was not freed before being reset with a copy of the
cfg80211 regdomain.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Arik Nemtsov <arikx.nemtsov@xxxxxxxxx>
---
net/wireless/reg.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 004ea14..8941e1c 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1916,7 +1916,7 @@ static enum reg_request_treatment
reg_process_hint_driver(struct wiphy *wiphy,
struct regulatory_request *driver_request)
{
- const struct ieee80211_regdomain *regd;
+ const struct ieee80211_regdomain *regd, *tmp;
enum reg_request_treatment treatment;
treatment = __reg_process_hint_driver(driver_request);
@@ -1936,7 +1936,10 @@ reg_process_hint_driver(struct wiphy *wiphy,
reg_free_request(driver_request);
return REG_REQ_IGNORE;
}
+
+ tmp = get_wiphy_regdom(wiphy);
rcu_assign_pointer(wiphy->regd, regd);
+ rcu_free_regdom(tmp);
}
--
1.9.1
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