Messages in this thread Patch in this message | | | From | "Enrico Weigelt, metux IT consult" <> | Subject | [PATCH] gpio: just plain warning when nonexisting gpio requested | Date | Mon, 29 Jul 2019 16:36:33 +0200 |
| |
From: Enrico Weigelt <info@metux.net>
When trying to export an nonexisting gpio ID, the kernel prints outs a big warning w/ stacktrace, sounding like a huge problem. In fact it's a pretty normal situation, like file or device not found.
So, just print a more relaxed warning instead.
Signed-off-by: Enrico Weigelt <info@metux.net> --- drivers/gpio/gpiolib.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 3ee99d0..06eeedd 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1,4 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/bitmap.h> #include <linux/kernel.h> #include <linux/module.h> @@ -121,7 +124,7 @@ struct gpio_desc *gpio_to_desc(unsigned gpio) spin_unlock_irqrestore(&gpio_lock, flags); if (!gpio_is_valid(gpio)) - WARN(1, "invalid GPIO %d\n", gpio); + pr_warn("invalid GPIO %d\n", gpio); return NULL; } -- 1.9.1
| |