rounding up the delta between last-beacon-tsf and tsf to intval is wrong and can lead to misconfigured timers which breaks beacon transmission. Fix this by adding intval and subtracting the offset of the tsf within the current slot. Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/beacon.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index c7f4679..0199af0 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -654,7 +654,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc, delta = (tsf - sc->beacon.bc_tstamp); else delta = (tsf + 1 + (~0U - sc->beacon.bc_tstamp)); - nexttbtt = tsf + roundup(delta, intval); + nexttbtt = tsf + intval - (delta % intval); } ath_dbg(common, ATH_DBG_BEACON, -- 1.7.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html