diff options
| -rw-r--r-- | sys/amd64/amd64/intr_machdep.c | 5 | ||||
| -rw-r--r-- | sys/i386/i386/intr_machdep.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/sys/amd64/amd64/intr_machdep.c b/sys/amd64/amd64/intr_machdep.c index c8284f90c91b0..3f5aa37b29e94 100644 --- a/sys/amd64/amd64/intr_machdep.c +++ b/sys/amd64/amd64/intr_machdep.c @@ -171,7 +171,10 @@ intr_execute_handlers(struct intsrc *isrc, struct intrframe *iframe) atomic_add_int(&cnt.v_intr, 1); it = isrc->is_ithread; - ih = TAILQ_FIRST(&it->it_handlers); + if (it == NULL) + ih = NULL; + else + ih = TAILQ_FIRST(&it->it_handlers); /* * XXX: We assume that IRQ 0 is only used for the ISA timer diff --git a/sys/i386/i386/intr_machdep.c b/sys/i386/i386/intr_machdep.c index c8284f90c91b0..3f5aa37b29e94 100644 --- a/sys/i386/i386/intr_machdep.c +++ b/sys/i386/i386/intr_machdep.c @@ -171,7 +171,10 @@ intr_execute_handlers(struct intsrc *isrc, struct intrframe *iframe) atomic_add_int(&cnt.v_intr, 1); it = isrc->is_ithread; - ih = TAILQ_FIRST(&it->it_handlers); + if (it == NULL) + ih = NULL; + else + ih = TAILQ_FIRST(&it->it_handlers); /* * XXX: We assume that IRQ 0 is only used for the ISA timer |