From 9d168758d59bedb0efa0a7c4acea1c46b10daffc Mon Sep 17 00:00:00 2001 From: loos Date: Tue, 13 Dec 2016 03:36:41 +0000 Subject: [PATCH] Remove a too strict test and instead, just filter the passed flags with the supported capabilities. Spotted by: yamori813@yahoo.co.jp (Hiroki Mori) MFC after: 2 weeks --- sys/dev/gpio/gpiobus.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/dev/gpio/gpiobus.c b/sys/dev/gpio/gpiobus.c index 056dd3193d4f..90e447d065dd 100644 --- a/sys/dev/gpio/gpiobus.c +++ b/sys/dev/gpio/gpiobus.c @@ -120,9 +120,9 @@ int gpio_check_flags(uint32_t caps, uint32_t flags) { - /* Check for unwanted flags. */ - if ((flags & caps) == 0 || (flags & caps) != flags) - return (EINVAL); + /* Filter unwanted flags. */ + flags &= caps; + /* Cannot mix input/output together. */ if (flags & GPIO_PIN_INPUT && flags & GPIO_PIN_OUTPUT) return (EINVAL); -- 2.39.5