diff options
Diffstat (limited to 'drivers/net/wireless/b43')
| -rw-r--r-- | drivers/net/wireless/b43/leds.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/rfkill.c | 10 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c index 1e8dba48800..c587115dd2b 100644 --- a/drivers/net/wireless/b43/leds.c +++ b/drivers/net/wireless/b43/leds.c @@ -246,6 +246,7 @@ static void b43_led_get_sprominfo(struct b43_wldev *dev, *behaviour = B43_LED_OFF; break; default: + *behaviour = B43_LED_OFF; B43_WARN_ON(1); return; } diff --git a/drivers/net/wireless/b43/rfkill.c b/drivers/net/wireless/b43/rfkill.c index ffdce6f3c90..78016ae21c5 100644 --- a/drivers/net/wireless/b43/rfkill.c +++ b/drivers/net/wireless/b43/rfkill.c @@ -33,8 +33,14 @@ bool b43_is_hw_radio_enabled(struct b43_wldev *dev) & B43_MMIO_RADIO_HWENABLED_HI_MASK)) return 1; } else { - if (b43_status(dev) >= B43_STAT_STARTED && - b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO) + /* To prevent CPU fault on PPC, do not read a register + * unless the interface is started; however, on resume + * for hibernation, this routine is entered early. When + * that happens, unconditionally return TRUE. + */ + if (b43_status(dev) < B43_STAT_STARTED) + return 1; + if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO) & B43_MMIO_RADIO_HWENABLED_LO_MASK) return 1; } |