Re: [PATCH] thunderbolt: fix -Wrestrict warning

[Mika Westerberg]

On Mon, Sep 27, 2021 at 03:16:11PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> gcc-11 warns when building with W=1:
> 
> drivers/thunderbolt/xdomain.c: In function 'modalias_show':
> drivers/thunderbolt/xdomain.c:733:16: error: 'sprintf' argument 3 overlaps destination object 'buf' [-Werror=restrict]
>   733 |         return sprintf(buf, "%s\n", buf);
>       |                ^~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/thunderbolt/xdomain.c:727:36: note: destination object referenced by 'restrict'-qualified argument 1 was declared here
>   727 |                              char *buf)
>       |                              ~~~~~~^~~
> 
> There is no need for the sprintf() here when a strcat() does
> the same thing.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Applied, thanks!