ioapic: remove useless lower bounds check

The vector cannot be negative.  Coverity now reports this because it sees an
array access before the check, in ioapic_stat_update_irq.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c
index b3937807c227344b3f2e99a2f7360b95f3381cea..b6896ac4ce262049e4db3e98b50fd9ea75efd44c 100644 (file)
--- a/hw/intc/ioapic.c
+++ b/hw/intc/ioapic.c
@@ -152,7 +152,7 @@ static void ioapic_set_irq(void *opaque, int vector, int level)
     if (vector == 0) {
         vector = 2;
     }
-    if (vector >= 0 && vector < IOAPIC_NUM_PINS) {
+    if (vector < IOAPIC_NUM_PINS) {
         uint32_t mask = 1 << vector;
         uint64_t entry = s->ioredtbl[vector];