diff options
Diffstat (limited to 'net/rfkill/core.c')
-rw-r--r-- | net/rfkill/core.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/net/rfkill/core.c b/net/rfkill/core.c index a9fa86f6598..51875a0c5d4 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c | |||
@@ -629,6 +629,49 @@ static ssize_t rfkill_persistent_show(struct device *dev, | |||
629 | return sprintf(buf, "%d\n", rfkill->persistent); | 629 | return sprintf(buf, "%d\n", rfkill->persistent); |
630 | } | 630 | } |
631 | 631 | ||
632 | static ssize_t rfkill_hard_show(struct device *dev, | ||
633 | struct device_attribute *attr, | ||
634 | char *buf) | ||
635 | { | ||
636 | struct rfkill *rfkill = to_rfkill(dev); | ||
637 | |||
638 | return sprintf(buf, "%d\n", (rfkill->state & RFKILL_BLOCK_HW) ? 1 : 0 ); | ||
639 | } | ||
640 | |||
641 | static ssize_t rfkill_soft_show(struct device *dev, | ||
642 | struct device_attribute *attr, | ||
643 | char *buf) | ||
644 | { | ||
645 | struct rfkill *rfkill = to_rfkill(dev); | ||
646 | |||
647 | return sprintf(buf, "%d\n", (rfkill->state & RFKILL_BLOCK_SW) ? 1 : 0 ); | ||
648 | } | ||
649 | |||
650 | static ssize_t rfkill_soft_store(struct device *dev, | ||
651 | struct device_attribute *attr, | ||
652 | const char *buf, size_t count) | ||
653 | { | ||
654 | struct rfkill *rfkill = to_rfkill(dev); | ||
655 | unsigned long state; | ||
656 | int err; | ||
657 | |||
658 | if (!capable(CAP_NET_ADMIN)) | ||
659 | return -EPERM; | ||
660 | |||
661 | err = strict_strtoul(buf, 0, &state); | ||
662 | if (err) | ||
663 | return err; | ||
664 | |||
665 | if (state > 1 ) | ||
666 | return -EINVAL; | ||
667 | |||
668 | mutex_lock(&rfkill_global_mutex); | ||
669 | rfkill_set_block(rfkill, state); | ||
670 | mutex_unlock(&rfkill_global_mutex); | ||
671 | |||
672 | return err ?: count; | ||
673 | } | ||
674 | |||
632 | static u8 user_state_from_blocked(unsigned long state) | 675 | static u8 user_state_from_blocked(unsigned long state) |
633 | { | 676 | { |
634 | if (state & RFKILL_BLOCK_HW) | 677 | if (state & RFKILL_BLOCK_HW) |
@@ -644,14 +687,8 @@ static ssize_t rfkill_state_show(struct device *dev, | |||
644 | char *buf) | 687 | char *buf) |
645 | { | 688 | { |
646 | struct rfkill *rfkill = to_rfkill(dev); | 689 | struct rfkill *rfkill = to_rfkill(dev); |
647 | unsigned long flags; | ||
648 | u32 state; | ||
649 | |||
650 | spin_lock_irqsave(&rfkill->lock, flags); | ||
651 | state = rfkill->state; | ||
652 | spin_unlock_irqrestore(&rfkill->lock, flags); | ||
653 | 690 | ||
654 | return sprintf(buf, "%d\n", user_state_from_blocked(state)); | 691 | return sprintf(buf, "%d\n", user_state_from_blocked(rfkill->state)); |
655 | } | 692 | } |
656 | 693 | ||
657 | static ssize_t rfkill_state_store(struct device *dev, | 694 | static ssize_t rfkill_state_store(struct device *dev, |
@@ -701,6 +738,8 @@ static struct device_attribute rfkill_dev_attrs[] = { | |||
701 | __ATTR(persistent, S_IRUGO, rfkill_persistent_show, NULL), | 738 | __ATTR(persistent, S_IRUGO, rfkill_persistent_show, NULL), |
702 | __ATTR(state, S_IRUGO|S_IWUSR, rfkill_state_show, rfkill_state_store), | 739 | __ATTR(state, S_IRUGO|S_IWUSR, rfkill_state_show, rfkill_state_store), |
703 | __ATTR(claim, S_IRUGO|S_IWUSR, rfkill_claim_show, rfkill_claim_store), | 740 | __ATTR(claim, S_IRUGO|S_IWUSR, rfkill_claim_show, rfkill_claim_store), |
741 | __ATTR(soft, S_IRUGO|S_IWUSR, rfkill_soft_show, rfkill_soft_store), | ||
742 | __ATTR(hard, S_IRUGO, rfkill_hard_show, NULL), | ||
704 | __ATTR_NULL | 743 | __ATTR_NULL |
705 | }; | 744 | }; |
706 | 745 | ||