linux-kernel - [PATCH] gpio/gpio-ich: make ichx_gpio_check_available() return a pure boolean value

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <1362646099-3506-1-git-send-email-mika.westerberg@linux.intel.com>
Date:	Thu,  7 Mar 2013 10:48:19 +0200
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Tyser <ptyser@...-inc.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...aro.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH] gpio/gpio-ich: make ichx_gpio_check_available() return a pure boolean value

It is more readable for humans to use double-bang (!!) to convert the value
to pure boolean before it is returned.

Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/gpio/gpio-ich.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index f9dbd50..22ea0be 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -130,7 +130,7 @@ static int ichx_read_bit(int reg, unsigned nr)
 
 static bool ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr)
 {
-	return ichx_priv.use_gpio & (1 << (nr / 32));
+	return !!(ichx_priv.use_gpio & (1 << (nr / 32)));
 }
 
 static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/