diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c index 6a23bdc75412..f41d9e7d0991 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c @@ -120,12 +120,14 @@ static ssize_t bcm43xx_attr_sprom_show(struct device *dev, GFP_KERNEL); if (!sprom) return -ENOMEM; - bcm43xx_lock_irqsafe(bcm, flags); + mutex_lock(&bcm->mutex); + spin_lock_irqsave(&bcm->irq_lock, flags); err = bcm43xx_sprom_read(bcm, sprom); if (!err) err = sprom2hex(sprom, buf, PAGE_SIZE); mmiowb(); - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); kfree(sprom); return err; @@ -150,10 +152,14 @@ static ssize_t bcm43xx_attr_sprom_store(struct device *dev, err = hex2sprom(sprom, buf, count); if (err) goto out_kfree; - bcm43xx_lock_irqsafe(bcm, flags); + mutex_lock(&bcm->mutex); + spin_lock_irqsave(&bcm->irq_lock, flags); + spin_lock(&bcm->leds_lock); err = bcm43xx_sprom_write(bcm, sprom); mmiowb(); - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock(&bcm->leds_lock); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); out_kfree: kfree(sprom); @@ -170,13 +176,12 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, char *buf) { struct bcm43xx_private *bcm = dev_to_bcm(dev); - int err; ssize_t count = 0; if (!capable(CAP_NET_ADMIN)) return -EPERM; - bcm43xx_lock_noirq(bcm); + mutex_lock(&bcm->mutex); switch (bcm43xx_current_radio(bcm)->interfmode) { case BCM43xx_RADIO_INTERFMODE_NONE: @@ -191,11 +196,10 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, default: assert(0); } - err = 0; - bcm43xx_unlock_noirq(bcm); + mutex_unlock(&bcm->mutex); - return err ? err : count; + return count; } @@ -229,7 +233,8 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev, return -EINVAL; } - bcm43xx_lock_irqsafe(bcm, flags); + mutex_lock(&bcm->mutex); + spin_lock_irqsave(&bcm->irq_lock, flags); err = bcm43xx_radio_set_interference_mitigation(bcm, mode); if (err) { @@ -237,7 +242,8 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev, "supported by device\n"); } mmiowb(); - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); return err ? err : count; } @@ -251,23 +257,21 @@ static ssize_t bcm43xx_attr_preamble_show(struct device *dev, char *buf) { struct bcm43xx_private *bcm = dev_to_bcm(dev); - int err; ssize_t count; if (!capable(CAP_NET_ADMIN)) return -EPERM; - bcm43xx_lock_noirq(bcm); + mutex_lock(&bcm->mutex); if (bcm->short_preamble) count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble enabled)\n"); else count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n"); - err = 0; - bcm43xx_unlock_noirq(bcm); + mutex_unlock(&bcm->mutex); - return err ? err : count; + return count; } static ssize_t bcm43xx_attr_preamble_store(struct device *dev, @@ -276,7 +280,6 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev, { struct bcm43xx_private *bcm = dev_to_bcm(dev); unsigned long flags; - int err; int value; if (!capable(CAP_NET_ADMIN)) @@ -285,14 +288,15 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev, value = get_boolean(buf, count); if (value < 0) return value; - bcm43xx_lock_irqsafe(bcm, flags); + mutex_lock(&bcm->mutex); + spin_lock_irqsave(&bcm->irq_lock, flags); bcm->short_preamble = !!value; - err = 0; - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); - return err ? err : count; + return count; } static DEVICE_ATTR(shortpreamble, 0644, |