From 55956035266d8f5d825f30add0d7af3850cca0ad Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 9 Sep 2016 11:26:50 +0200 Subject: [PATCH] pinctrl: aspeed: fix regmap error handling The newly added aspeed driver tries to check for a negative return value from a pinctrl function, but stores the intermediate value in a 'bool' variable, which cannot work: drivers/pinctrl/aspeed/pinctrl-aspeed.c: In function 'aspeed_sig_expr_set': drivers/pinctrl/aspeed/pinctrl-aspeed.c:192:11: error: comparison of constant '0' with boolean expression is always false [-Werror=bool-compare] This slightly reworks the logic to use an explicit comparison with zero before assigning to the temporary variable. Reported-by: Colin King Signed-off-by: Arnd Bergmann Acked-by: Joel Stanley Reviewed-by: Andrew Jeffery Signed-off-by: Linus Walleij --- drivers/pinctrl/aspeed/pinctrl-aspeed.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c index 7d461fc30d3c..0391f9f13f3e 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c @@ -187,10 +187,10 @@ static bool aspeed_sig_expr_set(const struct aspeed_sig_expr *expr, continue; ret = regmap_update_bits(map, desc->reg, desc->mask, - pattern << __ffs(desc->mask)); + pattern << __ffs(desc->mask)) == 0; - if (ret < 0) - return false; + if (!ret) + return ret; } return aspeed_sig_expr_eval(expr, enable, map); -- 2.30.2