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base-hw/muen: add explicit array-bounds check

This commit is contained in:
Norman Feske 2020-01-07 17:37:35 +01:00 committed by Christian Helmuth
parent 5635c1318c
commit de764d8490
1 changed files with 3 additions and 2 deletions
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5
repos/base-hw/src/core/spec/x86_64/muen/pic.h
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@ -40,12 +40,13 @@ class Board::Pic
void irq_occurred(unsigned irq) void irq_occurred(unsigned irq)
{ {
isr[irq] = true; if (irq < NR_OF_IRQ)
isr[irq] = true;
} }
bool take_request(unsigned &irq) bool take_request(unsigned &irq)
{ {
for (int i = 0; i < 256; i++) { for (int i = 0; i < NR_OF_IRQ; i++) {
if (isr[i] == true) { if (isr[i] == true) {
irq = i; irq = i;
isr[i] = false; isr[i] = false;