From 95a9e47a00fdc5b161219627644ad667bd2e643d Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 4 Dec 2008 21:57:17 +0000 Subject: madwifi: fix division by zero SVN-Revision: 13521 --- package/madwifi/patches/389-autochannel.patch | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'package/madwifi/patches/389-autochannel.patch') diff --git a/package/madwifi/patches/389-autochannel.patch b/package/madwifi/patches/389-autochannel.patch index 9c77b0e543..7926d2e58d 100644 --- a/package/madwifi/patches/389-autochannel.patch +++ b/package/madwifi/patches/389-autochannel.patch @@ -16,7 +16,7 @@ sc->sc_curchan.channel = ic->ic_curchan->ic_freq; sc->sc_curchan.channelFlags = ath_chan2flags(ic->ic_curchan); if (!ath_hal_reset(ah, sc->sc_opmode, &sc->sc_curchan, AH_FALSE, &status)) { -@@ -2913,6 +2915,37 @@ ath_hw_check_atim(struct ath_softc *sc, +@@ -2913,6 +2915,40 @@ ath_hw_check_atim(struct ath_softc *sc, } @@ -38,6 +38,9 @@ + + rx = OS_REG_READ(ah, AR5K_RXCLEAR); + cc = OS_REG_READ(ah, AR5K_CYCLES); ++ if (!cc) ++ return; ++ + if (rx > cc) + return; /* wraparound */ + @@ -54,7 +57,7 @@ /* * Reset the hardware w/o losing operational state. This is * basically a more efficient way of doing ath_stop, ath_init, -@@ -2939,6 +2972,7 @@ ath_reset(struct net_device *dev) +@@ -2939,6 +2975,7 @@ ath_reset(struct net_device *dev) * Convert to a HAL channel description with the flags * constrained to reflect the current operating mode. */ @@ -62,7 +65,7 @@ c = ic->ic_curchan; sc->sc_curchan.channel = c->ic_freq; sc->sc_curchan.channelFlags = ath_chan2flags(c); -@@ -9019,6 +9053,7 @@ ath_chan_set(struct ath_softc *sc, struc +@@ -9019,6 +9056,7 @@ ath_chan_set(struct ath_softc *sc, struc u_int8_t channel_change_required = 0; struct timeval tv; -- cgit v1.2.3