Re: [PATCH] checkpatch: add uninitialized pointer with __free attribute check

[ally heev <allyheev@gmail.com>]

On Wed, Oct 22, 2025 at 12:55 PM Dan Carpenter <dan.carpenter@linaro.org> wrote:
>
> I made a list of the warnings this generates (on Monday's linux-next).
>
> None of the warnings are real bugs.  Every single one of these has the
> assignment as the first statement after the declaration block.  We have
> had bugs because of this before but Smatch and (I think) Clang detect
> them so they don't last for long.
>
> regards,
> dan carpenter
>
> arch/powerpc/platforms/82xx/km82xx.c:30:
> crypto/asymmetric_keys/x509_cert_parser.c:63:
> crypto/asymmetric_keys/x509_public_key.c:151:
> drivers/firmware/arm_scmi/shmem.c:199:
> drivers/net/ethernet/intel/ice/ice_flow.c:1576:
> drivers/net/ethernet/intel/idpf/idpf_virtchnl.c:1015:
> drivers/net/ethernet/microsoft/mana/gdma_main.c:1508:
> drivers/net/wireless/intel/iwlwifi/fw/uefi.c:821:
> drivers/net/wireless/intel/iwlwifi/mld/d3.c:1788:
> drivers/opp/core.c:1413:
> drivers/opp/core.c:1480:
> drivers/opp/core.c:1797:
> drivers/opp/core.c:1888:
> drivers/opp/core.c:2874:
> drivers/opp/core.c:2935:
> drivers/opp/core.c:2989:
> drivers/opp/core.c:3065:
> drivers/opp/core.c:3085:
> drivers/opp/core.c:3104:
> drivers/opp/core.c:312:
> drivers/opp/core.c:330:
> drivers/opp/core.c:412:
> drivers/opp/core.c:450:
> drivers/opp/core.c:608:
> drivers/opp/cpu.c:157:
> drivers/opp/cpu.c:204:
> drivers/opp/cpu.c:59:
> drivers/opp/of.c:1272:
> drivers/opp/of.c:1331:
> drivers/opp/of.c:1428:
> drivers/opp/of.c:1469:
> drivers/opp/of.c:149:
> drivers/opp/of.c:1505:
> drivers/opp/of.c:174:
> drivers/opp/of.c:276:
> drivers/opp/of.c:352:
> drivers/opp/of.c:409:
> drivers/opp/of.c:48:
> drivers/opp/of.c:98:
> drivers/scsi/scsi_debug.c:2964:
> drivers/tee/qcomtee/call.c:648:
> fs/overlayfs/params.c:451:

Thanks for reporting these. I will try to get to these in later
patches. But, how do we test the changes?
KTODO: run checkpatch with uninitialized pointer with __free attribute
check and fix the errors