[lvc-project] [PATCH net] mlxsw: core_linecards: Fix double memory deallocation in case of invalid INI file

[Ido Schimmel]

On Tue, Jul 02, 2024 at 01:33:52PM +0300, Aleksandr Mishin wrote:
> In case of invalid INI file mlxsw_linecard_types_init() deallocates memory
> but doesn't reset pointer to NULL and returns 0. In case of any error
> occured after mlxsw_linecard_types_init() call, mlxsw_linecards_init()
> calls mlxsw_linecard_types_fini() which perform memory deallocation again.

s/perform/performs/

> 
> Add pointer reset to NULL.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: b217127e5e4e ("mlxsw: core_linecards: Add line card objects and implement provisioning")
> Signed-off-by: Aleksandr Mishin <amishin at t-argos.ru>

Reviewed-by: Ido Schimmel <idosch at nvidia.com>