Signed-off-by: Dmitry Kalinkin <[email protected]>
Cc: Igor Alekseev <[email protected]>
---
drivers/vme/vme.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c
index 6bab2c4..1b78d27 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) ||
--
1.8.3.1
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