Re: [REGRESSION] next/master: (build) variable 'num_ports' is uninitialized when used here [-Werror,-Wun...

[add more people/list]

commit 8bdb0b3830ea
Author: Rosen Penev <[email protected]>
Date:   Fri Apr 24 18:42:01 2026 -0700
    usb: typec: intel_pmc_mux: combine kzalloc + kcalloc


On 5/4/26 4:59 PM, KernelCI bot wrote:
> 
> 
> 
> 
> Hello,
> 
> New build issue found on next/master:
> 
> ---
>  variable 'num_ports' is uninitialized when used here [-Werror,-Wuninitialized] in drivers/usb/typec/mux/intel_pmc_mux.o (drivers/usb/typec/mux/intel_pmc_mux.c) [logspec:kbuild,kbuild.compiler.error]
> ---
> 
> - dashboard: https://d.kernelci.org/i/maestro:4c562376c15477320ad9a138b83a5256431b57cb
> - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> - commit HEAD:  9d0d467c3572e93c5faa2e5906a8bbcd70b24efd
> - tags: next-20260504
> 
> Please include the KernelCI tag when submitting a fix:
> 
> Reported-by: kernelci.org bot <[email protected]>
> 
> 
> Log excerpt:
> =====================================================
> /tmp/kci/linux/drivers/usb/typec/mux/intel_pmc_mux.c:740:3: error: variable 'num_ports' is uninitialized when used here [-Werror,-Wuninitialized]
>   740 |                 num_ports++;
>       |                 ^~~~~~~~~
> /tmp/kci/linux/drivers/usb/typec/mux/intel_pmc_mux.c:735:14: note: initialize the variable 'num_ports' to silence this warning
>   735 |         u8 num_ports;
>       |                     ^
>       |                      = '\0'
> 1 error generated.
> 
> =====================================================
> 
> 
> # Builds where the incident occurred:
> 
> ## x86_64_defconfig+kselftest+x86-board on (x86_64):
> - compiler: clang-21
> - config: None
> - dashboard: https://d.kernelci.org/build/maestro:69f922810e4ee292cbd1a001
> 
> 
> #kernelci issue maestro:4c562376c15477320ad9a138b83a5256431b57cb
> 
> --
> This is an experimental report format. Please send feedback in!
> Talk to us at [email protected]
> 
> Made with love by the KernelCI team - https://kernelci.org
> 

-- 
~Randy