[PATCH 3/8] rfkill: Improve code readability

From: JoÃo Paulo Rechi Vita
Date: Tue Jan 19 2016 - 10:44:51 EST


__rfkill_set_hw_state() is only one used in rfkill_set_hw_state(), and
none of them are long or complicated, so merging the two makes the code
easier to read.

Signed-off-by: JoÃo Paulo Rechi Vita <jprvita@xxxxxxxxxxxx>
---
net/rfkill/core.c | 41 +++++++++++++++--------------------------
1 file changed, 15 insertions(+), 26 deletions(-)

diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 838e869..5406c76 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -233,29 +233,6 @@ static void rfkill_event(struct rfkill *rfkill)
rfkill_send_events(rfkill, RFKILL_OP_CHANGE);
}

-static bool __rfkill_set_hw_state(struct rfkill *rfkill,
- bool blocked, bool *change)
-{
- unsigned long flags;
- bool prev, any;
-
- BUG_ON(!rfkill);
-
- spin_lock_irqsave(&rfkill->lock, flags);
- prev = !!(rfkill->state & RFKILL_BLOCK_HW);
- if (blocked)
- rfkill->state |= RFKILL_BLOCK_HW;
- else
- rfkill->state &= ~RFKILL_BLOCK_HW;
- *change = prev != blocked;
- any = !!(rfkill->state & RFKILL_BLOCK_ANY);
- spin_unlock_irqrestore(&rfkill->lock, flags);
-
- rfkill_led_trigger_event(rfkill);
-
- return any;
-}
-
/**
* rfkill_set_block - wrapper for set_block method
*
@@ -479,14 +456,26 @@ bool rfkill_get_global_sw_state(const enum rfkill_type type)

bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked)
{
- bool ret, change;
+ unsigned long flags;
+ bool ret, prev;
+
+ BUG_ON(!rfkill);
+
+ spin_lock_irqsave(&rfkill->lock, flags);
+ prev = !!(rfkill->state & RFKILL_BLOCK_HW);
+ if (blocked)
+ rfkill->state |= RFKILL_BLOCK_HW;
+ else
+ rfkill->state &= ~RFKILL_BLOCK_HW;
+ ret = !!(rfkill->state & RFKILL_BLOCK_ANY);
+ spin_unlock_irqrestore(&rfkill->lock, flags);

- ret = __rfkill_set_hw_state(rfkill, blocked, &change);
+ rfkill_led_trigger_event(rfkill);

if (!rfkill->registered)
return ret;

- if (change)
+ if (prev != blocked)
schedule_work(&rfkill->uevent_work);

return ret;
--
2.5.0