]> git.baikalelectronics.ru Git - kernel.git/commit
net: cavium: fix NULL pointer dereference in cavium_ptp_put
authorJan Glauber <jglauber@cavium.com>
Mon, 12 Feb 2018 17:20:11 +0000 (18:20 +0100)
committerDavid S. Miller <davem@davemloft.net>
Mon, 12 Feb 2018 19:38:37 +0000 (14:38 -0500)
commit873653088081d0785e705b94bfe0e52decafb1fe
treed415d4b6dd9e61f2d679f82dfb9d521755e73427
parent427e1faec97eb43e39e87ffaa8ccf9ff9ac54569
net: cavium: fix NULL pointer dereference in cavium_ptp_put

Prevent a kernel panic on reboot if ptp_clock is NULL by checking
the ptp pointer before using it.

Signed-off-by: Jan Glauber <jglauber@cavium.com>
Fixes: 48dfc313c6ed ("net: add support for Cavium PTP coprocessor")
Cc: Radoslaw Biernacki <rad@semihalf.com>
Cc: Aleksey Makarov <aleksey.makarov@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/cavium/common/cavium_ptp.c