Re: [RFT net-next PATCH RESEND 0/2] ethernet: intel: fix freeing uninitialized pointers with __free

[Tony Nguyen <anthony.l.nguyen@intel.com>]

On 11/23/2025 11:40 PM, Ally Heev wrote:
> Uninitialized pointers with `__free` attribute can cause undefined
> behavior as the memory assigned randomly to the pointer is freed
> automatically when the pointer goes out of scope.
> 
> We could just fix it by initializing the pointer to NULL, but, as usage of
> cleanup attributes is discouraged in net [1], trying to achieve cleanup
> using goto

These two drivers already have multiple other usages of this. All the 
other instances initialize to NULL; I'd prefer to see this do the same 
over changing this single instance.

Thanks,
Tony

> [1] https://docs.kernel.org/process/maintainer-netdev.html#using-device-managed-and-cleanup-h-constructs
> 
> Signed-off-by: Ally Heev <allyheev@gmail.com>
> ---
> Ally Heev (2):
>        ice: remove __free usage in ice_flow
>        idpf: remove __free usage in idpf_virtchnl
> 
>   drivers/net/ethernet/intel/ice/ice_flow.c       |  6 ++++--
>   drivers/net/ethernet/intel/idpf/idpf_virtchnl.c | 28 +++++++++++++++++--------
>   2 files changed, 23 insertions(+), 11 deletions(-)
> ---
> base-commit: 24598358a1b4ca1d596b8e7b34a7bc76f54e630f
> change-id: 20251113-aheev-fix-free-uninitialized-ptrs-ethernet-intel-abc0cc9278d8
> 
> Best regards,
> -----BEGIN PGP SIGNATURE-----
> 
> iHUEABYKAB0WIQQBFRpOLrIakF7DYvaWPaLUP9d7HAUCaRn0WAAKCRCWPaLUP9d7
> HPCSAP4tu8ld+4Og65tjSYNChRqIR4Gn8C546JFeozyQW6uj3wD/SQEPIidSAYbb
> klXrZrKIBOc/avt55S2+krl241aNJA8=
> =guHM
> -----END PGP SIGNATURE-----