Due to the cast from uint32_t to int64_t, a wrong next beacon timing is calculated and effectively the beacon timer stops to work. This is especially bad for 802.11s mesh networks, because discovery breaks without beacons.
Signed-off-by: Benjamin Beichler <[email protected]> --- drivers/net/wireless/mac80211_hwsim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 8f366cc..8d7b0c6 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -819,7 +819,7 @@ static void mac80211_hwsim_set_tsf(struct ieee80211_hw *hw, data->bcn_delta = do_div(delta, bcn_int); } else { data->tsf_offset -= delta; - data->bcn_delta = -do_div(delta, bcn_int); + data->bcn_delta = -(s64)(do_div(delta, bcn_int)); } } -- 1.9.1
