Messages in this thread Patch in this message | | | From | Clément Léger <> | Subject | [PATCH net v2] net: lan966x: check for ptp to be enabled in lan966x_ptp_deinit() | Date | Mon, 9 Jan 2023 16:32:23 +0100 |
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If ptp was not enabled due to missing IRQ for instance, lan966x_ptp_deinit() will dereference NULL pointers.
Fixes: d096459494a8 ("net: lan966x: Add support for ptp clocks") Signed-off-by: Clément Léger <clement.leger@bootlin.com> Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com> --- Changes in v2: - Added Reviewed-by: Horatiu Vultur - Added net in patch subject to target net tree
drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c index f9ebfaafbebc..a8348437dd87 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c @@ -1073,6 +1073,9 @@ void lan966x_ptp_deinit(struct lan966x *lan966x) struct lan966x_port *port; int i; + if (!lan966x->ptp) + return; + for (i = 0; i < lan966x->num_phys_ports; i++) { port = lan966x->ports[i]; if (!port) -- 2.38.1
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