netdev - [PATCH 2/8] rfkill: Improve code readability

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Message-Id: <1453218163-31998-3-git-send-email-jprvita@endlessm.com>
Date:	Tue, 19 Jan 2016 10:42:37 -0500
From:	"João Paulo Rechi Vita" <jprvita@...il.com>
To:	johannes@...solutions.net
Cc:	marcel@...tmann.org, linux-wireless@...r.kernel.org,
	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, jprvita@...lessm.com,
	linux@...lessm.com
Subject: [PATCH 2/8] rfkill: Improve code readability

RFKILL_BLOCK_SW value have just been saved to prev, no need to check it
again in the if expression. This makes code a little bit easier to read.

Signed-off-by: João Paulo Rechi Vita <jprvita@...lessm.com>
---
 net/rfkill/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 4d6d726..838e869 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -285,7 +285,7 @@ static void rfkill_set_block(struct rfkill *rfkill, bool blocked)
 	spin_lock_irqsave(&rfkill->lock, flags);
 	prev = rfkill->state & RFKILL_BLOCK_SW;
 
-	if (rfkill->state & RFKILL_BLOCK_SW)
+	if (prev)
 		rfkill->state |= RFKILL_BLOCK_SW_PREV;
 	else
 		rfkill->state &= ~RFKILL_BLOCK_SW_PREV;
-- 
2.5.0