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| author |   Clément Léger <clement.leger@bootlin.com> | 2023-01-09 16:32:23 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2023-01-11 08:31:36 +0000 |
| commit | b0e380b5d4275299adf43e249f18309331b6f54f (patch) | |
| tree | 3fe2981292bf5ddac6fdc72c4305097d1515d3a4 | |
| parent | Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue (diff) | |
| download | linux-rng-b0e380b5d4275299adf43e249f18309331b6f54f.tar.xz linux-rng-b0e380b5d4275299adf43e249f18309331b6f54f.zip | |
net: lan966x: check for ptp to be enabled in lan966x_ptp_deinit()
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>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c | 3 |
1 files changed, 3 insertions, 0 deletions
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) |