Re: [REGRESSION] next/master: (build) format ‘%ld’ expects argument of type ‘long int’, but argument 2 h...

Re: [REGRESSION] next/master: (build) format ‘%ld’ expects argument of type ‘long int’, but argument 2 h...

[Randy Dunlap]

On 7/8/25 4:59 AM, KernelCI bot wrote:
> Hello,
> 
> New build issue found on next/master:
> 
> ---
>  format ‘%ld’ expects argument of type ‘long int’, but argument 2 has
> type ‘size_t’ {aka ‘unsigned int’} [-Werror=format=] in
> drivers/platform/x86/intel/pmt/discovery.o
> (drivers/platform/x86/intel/pmt/discovery.c)
> [logspec:kbuild,kbuild.compiler.error]
> ---
> 
> - dashboard: https://d.kernelci.org/i/maestro:8fa7949e2280282be6a5756d890d8a9cc1472e21
> - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> - commit HEAD:  58ba80c4740212c29a1cf9b48f588e60a7612209
> 
> 
> Log excerpt:
> =====================================================
> drivers/platform/x86/intel/pmt/discovery.c:427:35: error: format ‘%ld’
> expects argument of type ‘long int’, but argument 2 has type ‘size_t’
> {aka ‘unsigned int’} [-Werror=format=]
>   427 |         if (WARN(size > res_size, "Bad table size %ld > %pa",
> size, &res_size))
>       |                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~  ~~~~
>       |                                                               |
>       |
> size_t {aka unsigned int}
> ./include/asm-generic/bug.h:112:31: note: in definition of macro ‘__WARN_printf’
>   112 |                 __warn_printk(arg);
>          \
>       |                               ^~~
> drivers/platform/x86/intel/pmt/discovery.c:427:13: note: in expansion
> of macro ‘WARN’
>   427 |         if (WARN(size > res_size, "Bad table size %ld > %pa",
> size, &res_size))
>       |             ^~~~
> drivers/platform/x86/intel/pmt/discovery.c:427:53: note: format string
> is defined here
>   427 |         if (WARN(size > res_size, "Bad table size %ld > %pa",
> size, &res_size))
>       |                                                   ~~^
>       |                                                     |
>       |                                                     long int
>       |                                                   %d
>   CC [M]  drivers/platform/chrome/wilco_ec/telemetry.o
> cc1: all warnings being treated as errors
> 
> =====================================================
> 
> 
> # Builds where the incident occurred:
> 
> ## defconfig+kcidebug+x86-board on (i386):
> - compiler: gcc-12
> - dashboard: https://d.kernelci.org/build/maestro:686cf98934612746bbb465bb
> 
> 
> #kernelci issue maestro:8fa7949e2280282be6a5756d890d8a9cc1472e21
> 
> Reported-by: kernelci.org bot <bot@kernelci.org>
> 
> --
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> 
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> 


This is from commit d9a0788093565:
platform/x86/intel/pmt: Add PMT Discovery driver

Cc:ing David Box.

-- 
~Randy