arm64: Avoid null dereference in its_init_cpu
commitf015fe6dedade0efbb0930b9dfc1d03bdfac1da0
authoremaste <emaste@FreeBSD.org>
Wed, 13 Apr 2016 21:00:00 +0000 (13 21:00 +0000)
committeremaste <emaste@FreeBSD.org>
Wed, 13 Apr 2016 21:00:00 +0000 (13 21:00 +0000)
treed845f19fb2d949b4238fafd03d69586d6fbbce4b
parent2b5f6fc5bf55673387e2a19288dc62cc44a90cc3
arm64: Avoid null dereference in its_init_cpu

its_init_cpu() is called from gic_v3_init_secondary(), and its_sc will
be NULL if its did not attach.

Sponsored by: The FreeBSD Foundation
sys/arm64/arm64/gic_v3_its.c