linux-kernel - [PATCH] pinctrl: ret needs to be an int for -ve return value from regmap_update

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Date:   Sun, 11 Sep 2016 09:36:25 +0100
From:   Colin King <colin.king@...onical.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Andrew Jeffery <andrew@...id.au>,
        Joel Stanley <joel@....id.au>, linux-gpio@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] pinctrl: ret needs to be an int for -ve return value from regmap_update_bits

From: Colin Ian King <colin.king@...onical.com>

Macro regmap_update_bits can return a -ve on an error value so ret
needs to be an integer rather than a bool type.

Fixes warning found by static analysis with cppcheck:
[drivers/pinctrl/aspeed/pinctrl-aspeed.c:192]: (warning) Comparison of
  a boolean expression with an integer other than 0 or 1.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/pinctrl/aspeed/pinctrl-aspeed.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
index 7d461fc..75935ab 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
@@ -166,7 +166,7 @@ static bool aspeed_sig_expr_set(const struct aspeed_sig_expr *expr,
 				bool enable, struct regmap *map)
 {
 	int i;
-	bool ret;
+	int ret;
 
 	ret = aspeed_sig_expr_eval(expr, enable, map);
 	if (ret)
-- 
2.9.3