Commit 7f4399ba authored May 09, 2019 by Claudiu Manoil Committed by David S. Miller May 09, 2019

ptp_qoriq: fix NULL access if ptp dt node missing



Make sure ptp dt node exists before accessing it in case
of NULL pointer call trace.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 5f058368

drivers/ptp/ptp_qoriq.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -467,6 +467,9 @@ int ptp_qoriq_init(struct ptp_qoriq ptp_qoriq, void __iomem base,
		unsigned long flags;
		u32 tmr_ctrl;

		if (!node)
		return -ENODEV;

		ptp_qoriq->base = base;
		ptp_qoriq->caps = *caps;