From: Fabien Chouteau <chouteau@adacore.com>
Date: Wed, 25 Feb 2015 09:50:28 +0000 (+0100)
Subject: Openpic: check that cpu id is within the number of cpus
X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~319^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04d2acbb57900f1cba2eef86b21ab78d854683db;p=sdk%2Femulator%2Fqemu.git

Openpic: check that cpu id is within the number of cpus

Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---

diff --git a/hw/intc/openpic.c b/hw/intc/openpic.c
index 7d1f3b9..305377d 100644
--- a/hw/intc/openpic.c
+++ b/hw/intc/openpic.c
@@ -1013,7 +1013,7 @@ static void openpic_cpu_write_internal(void *opaque, hwaddr addr,
     DPRINTF("%s: cpu %d addr %#" HWADDR_PRIx " <= 0x%08x\n", __func__, idx,
             addr, val);
 
-    if (idx < 0) {
+    if (idx < 0 || idx >= opp->nb_cpus) {
         return;
     }
 
@@ -1152,7 +1152,7 @@ static uint32_t openpic_cpu_read_internal(void *opaque, hwaddr addr,
     DPRINTF("%s: cpu %d addr %#" HWADDR_PRIx "\n", __func__, idx, addr);
     retval = 0xFFFFFFFF;
 
-    if (idx < 0) {
+    if (idx < 0 || idx >= opp->nb_cpus) {
         return retval;
     }