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hw/mips_itu: fix off-by-one reported by Coverity

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Fix off-by-one error in ITC Tag read.

Remove the switch as we just want to check if index is in valid range
rather than test against list of values.

Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
This commit is contained in:
Leon Alrae
2016-04-08 09:19:26 +01:00
parent ead5268f21
commit f2eb665a11
1 changed files with 3 additions and 8 deletions
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hw/misc/mips_itu.c
+3 -8
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@@ -66,18 +66,13 @@ static uint64_t itc_tag_read(void *opaque, hwaddr addr, unsigned size)
{
MIPSITUState *tag = (MIPSITUState *)opaque;
uint64_t index = addr >> 3;
uint64_t ret = 0;
switch (index) {
case 0 ... ITC_ADDRESSMAP_NUM:
ret = tag->ITCAddressMap[index];
break;
default:
if (index >= ITC_ADDRESSMAP_NUM) {
qemu_log_mask(LOG_GUEST_ERROR, "Read 0x%" PRIx64 "\n", addr);
break;
return 0;
}
return ret;
return tag->ITCAddressMap[index];
}
static void itc_reconfigure(MIPSITUState *tag)