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With the -Wformat-truncation warnings fixed, finish the job started in commit a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem"), and enable that warning too. Signed-off-by: Jani Nikula <jani.nikula at intel.com> --- Gut feeling says there are more issues, and my configs just don't catch them all, but let's see what the build bots...

Hi Jani, On Thu, May 23, 2024 at 06:51:09PM +0300, Jani Nikula wrote: > With the -Wformat-truncation warnings fixed, finish the job started in > commit a61ddb4393ad ("drm: enable (most) W=1 warnings by default across > the subsystem"), and enable that warning too. > > Signed-off-by: Jani Nikula <jani.nikula at intel.com> When it is enabled for all of drm then the explicit assignments here could be dropped I think: drivers/gpu/drm/i9...

...in the problem. The problem is not new, only it is now no longer a warning but an error since W=1 has been enabled for the drm subsystem and since Werror is enabled for test builds. Rearrange arithmetic and use check_add_overflow() for validating the allocation size to avoid the overflow. Fixes: a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem") Cc: Javier Martinez Canillas <javierm at redhat.com> Cc: Jani Nikula <jani.nikula at intel.com> Cc: Thomas Zimmermann <tzimmermann at suse.de> Cc: Danilo Krummrich <dakr at redhat.com> Cc: Maxime R...

...#39; can overflow, which would result in the problem. The problem is not new, only it is now no longer a warning but an error since W=1 has been enabled for the drm subsystem and since Werror is enabled for test builds. Rearrange arithmetic and add extra size checks to avoid the overflow. Fixes: a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem") Cc: Javier Martinez Canillas <javierm at redhat.com> Cc: Jani Nikula <jani.nikula at intel.com> Cc: Thomas Zimmermann <tzimmermann at suse.de> Cc: Danilo Krummrich <dakr at redhat.com> Cc: Maxime R...

...t; in the problem. > > The problem is not new, only it is now no longer a warning but an error since W=1 > has been enabled for the drm subsystem and since Werror is enabled for test builds. > > Rearrange arithmetic and add extra size checks to avoid the overflow. > > Fixes: a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem") > Cc: Javier Martinez Canillas <javierm-H+wXaHxf7aLQT0dZR+AlfA at public.gmane.org> > Cc: Jani Nikula <jani.nikula-ral2JQCrhuEAvxtiuMwx3w at public.gmane.org> > Cc: Thomas Zimmermann <tzimmermann-l...

...> The problem is not new, only it is now no longer a warning but an error since W=1 > > has been enabled for the drm subsystem and since Werror is enabled for test builds. > > > > Rearrange arithmetic and add extra size checks to avoid the overflow. > > > > Fixes: a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem") > > Cc: Javier Martinez Canillas <javierm-H+wXaHxf7aLQT0dZR+AlfA at public.gmane.org> > > Cc: Jani Nikula <jani.nikula-ral2JQCrhuEAvxtiuMwx3w at public.gmane.org> > > Cc: Thomas Zimmermann &l...

...ow no longer a warning but an error since W=1 has been enabled for the drm subsystem and since Werror is enabled for test builds. Rearrange arithmetic and use check_add_overflow() for validating the allocation size to avoid the overflow. While at it, split assignments out of if conditions. Fixes: a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem") Cc: Javier Martinez Canillas <javierm at redhat.com> Cc: Jani Nikula <jani.nikula at intel.com> Cc: Thomas Zimmermann <tzimmermann at suse.de> Cc: Danilo Krummrich <dakr at redhat.com> Cc: Maxime R...

...lem is not new, only it is now no longer a warning but an error since W=1 >>> has been enabled for the drm subsystem and since Werror is enabled for test builds. >>> >>> Rearrange arithmetic and add extra size checks to avoid the overflow. >>> >>> Fixes: a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem") >>> Cc: Javier Martinez Canillas <javierm-H+wXaHxf7aLQT0dZR+AlfA at public.gmane.org> >>> Cc: Jani Nikula <jani.nikula-ral2JQCrhuEAvxtiuMwx3w at public.gmane.org> >>> Cc: Thomas Zimm...

Jani Nikula (4): drm/amdgpu: fix -Wformat-truncation warning in amdgpu_gfx_kiq_init_ring() drm/nouveau: fix -Wformat-truncation warning in nouveau_backlight_init() drm/imx: fix -Wformat-truncation warning in imx_ldb_probe() drm: enable -Wformat-truncation across the subsystem drivers/gpu/drm/Makefile | 3 +-- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 6