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(parent: 5ca69f4) | patch
ptp: fix NULL pointer dereference in ptp_clock_register
authorYangbo Lu <yangbo.lu@nxp.com>
Mon, 5 Jul 2021 08:53:06 +0000 (16:53 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 5 Jul 2021 17:09:29 +0000 (10:09 -0700)
commit2184cac88fcaa005e59c27e78f30944bc860d7b4
treec6ec8dedcc5741397c2d076c4753455d180b73betree | snapshot
parent5ca69f4b5d16b07c66a1af0dd06a7762e089795acommit | diff
ptp: fix NULL pointer dereference in ptp_clock_register

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

Fixes: 63349b2f3b14 ("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>
drivers/ptp/ptp_clock.c diff | blob | history
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