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(parent: 886d7ec) | 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)
commitcdc5765ec6c967bcd363232addfcb7168479b6e0
treec6ec8dedcc5741397c2d076c4753455d180b73betree | snapshot
parent886d7ec64d4d48c643cb0ee7da64cdb049fdb660commit | 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: 52c449a86022 ("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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