ptp: fix NULL pointer dereference in ptp_clock_register

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Fix NULL pointer dereference in ptp_clock_register. The argument
"parent" of ptp_clock_register may be NULL pointer.

Fixes: 73f37068d5 ("ptp: support ptp physical/virtual clocks conversion")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Yangbo Lu 2021-07-05 16:53:06 +08:00 • committed by David S. Miller

parent 6ff63a150b

commit 55eac20617

1 changed files with 1 additions and 1 deletions

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drivers/ptp/ptp_clock.c

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