[lvc-project] [PATCH net] net: wwan: iosm: Fix tainted pointer delete is case of region creation fail

[Sergey Ryazanov]

On 04.06.2024 11:25, Aleksandr Mishin wrote:
> In case of region creation fail in ipc_devlink_create_region(), previously
> created regions delete process starts from tainted pointer which actually
> holds error code value.
> Fix this bug by decreasing region index before delete.
> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Fixes: 4dcd183fbd67 ("net: wwan: iosm: devlink registration")
> Signed-off-by: Aleksandr Mishin <amishin at t-argos.ru>

Nice catch!

Acked-by: Sergey Ryazanov <ryazanov.s.a at gmail.com>