Symbol: is_write_blocked
drivers/net/wwan/wwan_core.c
824
if (!is_write_blocked(port))
drivers/net/wwan/wwan_core.c
830
if (wait_event_interruptible(port->waitqueue, !is_write_blocked(port)))
drivers/net/wwan/wwan_core.c
959
else if (!is_write_blocked(port))