Re: [PATCH] [v2] led-class-flash: fix -Wrestrict warning

[Pavel Machek]

Hi!

> gcc-11 warns when building with W=1:
> 
> drivers/leds/led-class-flash.c: In function 'flash_fault_show':
> drivers/leds/led-class-flash.c:210:16: error: 'sprintf' argument 3 overlaps destination object 'buf' [-Werror=restrict]
>   210 |         return sprintf(buf, "%s\n", buf);
>       |                ^~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/leds/led-class-flash.c:187:54: note: destination object referenced by 'restrict'-qualified argument 1 was declared here
>   187 |                 struct device_attribute *attr, char *buf)
>       |                                                ~~~~~~^~~
> 
> There is no need for the sprintf() here when a strcat() does
> the same thing without invoking undefined behavior.

Thanks, applied.
								Pavel
-- 
http://www.livejournal.com/~pavelmachek

Attachment: signature.asc
Description: PGP signature