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-rw-r--r--drivers/vme/vme.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c
index 6bab2c4ed77c..1b78d27aa728 100644
--- a/drivers/vme/vme.c
+++ b/drivers/vme/vme.c
@@ -199,10 +199,8 @@ static int vme_check_window(u32 aspace, unsigned long long vme_base,
retval = -EFAULT;
break;
case VME_A64:
- /*
- * Any value held in an unsigned long long can be used as the
- * base
- */
+ if ((size != 0) && (vme_base > U64_MAX + 1 - size))
+ retval = -EFAULT;
break;
case VME_CRCSR:
if (((vme_base + size) > VME_CRCSR_MAX) ||