Re: [REGRESSION] linux-pci/nex t: (build) ignoring return value of ‘vga_get_ uninterruptible’ declared with a...

Bjorn Helgaas <[email protected]> Mon, 30 Mar 2026 12:14:33 -0500
Newsgroups dev.linux.lists.kernelci,org.kernel.vger.linux-pci
Message-ID <20260330171433.GA84073@bhelgaas>
On Fri, Mar 27, 2026 at 05:59:05PM -0000, KernelCI bot wrote:
> 
> 
> 
> 
> Hello,
> 
> New build issue found on linux-pci/next:
> 
> ---
>  ignoring return value of ‘vga_get_uninterruptible’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result] in drivers/gpu/drm/i915/display/intel_vga.o (drivers/gpu/drm/i915/display/intel_vga.c) [logspec:kbuild,kbuild.compiler.error]
> ---
> 
> - dashboard: https://d.kernelci.org/i/maestro:f670fdf443306495220d2cea8670ce85a80aed1e
> - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git
> - commit HEAD:  50451816531d66141cafe2347f9a896bd4dcb2b3

Dropped the commits related to this, see
https://lore.kernel.org/all/20260330161802.GA79047@bhelgaas

> 
> 
> Please include the KernelCI tag when submitting a fix:
> 
> Reported-by: kernelci.org bot <[email protected]>
> 
> 
> Log excerpt:
> =====================================================
> /tmp/kci/linux/drivers/gpu/drm/i915/display/intel_vga.c:68:9: error: ignoring return value of ‘vga_get_uninterruptible’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
>    68 |         vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /tmp/kci/linux/drivers/gpu/drm/i915/display/intel_vga.c: In function ‘intel_vga_reset_io_mem’:
> /tmp/kci/linux/drivers/gpu/drm/i915/display/intel_vga.c:93:9: error: ignoring return value of ‘vga_get_uninterruptible’ declared with attribute ‘warn_unused_result’ [-Werror=unused-result]
>    93 |         vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> 
> =====================================================
> 
> 
> # Builds where the incident occurred:
> 
> ## x86_64_defconfig+kselftest on (x86_64):
> - compiler: gcc-14
> - config: None
> - dashboard: https://d.kernelci.org/build/maestro:69c6b9023712df3240c2a985
> 
> 
> #kernelci issue maestro:f670fdf443306495220d2cea8670ce85a80aed1e
> 
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