activate_mapping: do not ban irq on failure

If smp_affinity cannot be enforced on a given IRQ, do not ban it for the
rest of the process' life. Only log the warning and let irqbalance try
again later.

Signed-off-by: Robin Jarry <rjarry@redhat.com>

activate.c

@@ -88,8 +88,6 @@ static void activate_mapping(struct irq_info *info, void *data __attribute__((un
 error:
 	log(TO_ALL, LOG_WARNING, "cannot change irq %i's affinity: %s. add it to banned list",
 		info->irq, strerror(errno));
-	add_banned_irq(info->irq);
-	remove_one_irq_from_db(info->irq);
 }
 
 void activate_mappings(void)