diff options
-rw-r--r-- | drivers/vhost/vhost.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index dd3d6f7406f8..158004e46e56 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c | |||
@@ -371,7 +371,7 @@ static int log_access_ok(void __user *log_base, u64 addr, unsigned long sz) | |||
371 | /* Make sure 64 bit math will not overflow. */ | 371 | /* Make sure 64 bit math will not overflow. */ |
372 | if (a > ULONG_MAX - (unsigned long)log_base || | 372 | if (a > ULONG_MAX - (unsigned long)log_base || |
373 | a + (unsigned long)log_base > ULONG_MAX) | 373 | a + (unsigned long)log_base > ULONG_MAX) |
374 | return -EFAULT; | 374 | return 0; |
375 | 375 | ||
376 | return access_ok(VERIFY_WRITE, log_base + a, | 376 | return access_ok(VERIFY_WRITE, log_base + a, |
377 | (sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8); | 377 | (sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8); |