[Intel-wired-lan] [PATCH iwl-net v3 2/3] ice: Zero out the PTP control PF pointer at ice_adapter cleanup

[Rinitha, SX]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of Sergey Temerkhanov
> Sent: 01 June 2026 14:50
> To: intel-wired-lan at lists.osuosl.org
> Cc: netdev at vger.kernel.org
> Subject: [Intel-wired-lan] [PATCH iwl-net v3 2/3] ice: Zero out the PTP control PF pointer at ice_adapter cleanup
>
> Zero out the ctrl_pf pointer in ice_adapter when the control PF is removed.
> This prevents potential dangling pointer dereference when accessing PTP-related structures from other PFs of the same adapter.
>
> Fixes: e800654e85b5b ("ice: Use ice_adapter for PTP shared data instead of auxdev")
> Signed-off-by: Sergey Temerkhanov <sergey.temerkhanov at intel.com>
> Reported-by: Frederick Lawler <fred at cloudflare.com>
> Closes: https://lkml.indiana.edu/2507.3/01388.html
> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov at intel.com>
> Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski at intel.com>
> Tested-by: Frederick Lawler <fred at cloudflare.com>
> ---
> drivers/net/ethernet/intel/ice/ice_ptp.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>

Tested-by: Rinitha S <sx.rinitha at intel.com> (A Contingent worker at Intel)