vhost: fix return code for log_access_ok()

access_ok() returns 1 if it's OK otherwise it should return 0.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index dd3d6f7406f..158004e46e5 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)
         /* Make sure 64 bit math will not overflow. */
         if (a > ULONG_MAX - (unsigned long)log_base ||
             a + (unsigned long)log_base > ULONG_MAX)
-                return -EFAULT;
+                return 0;
 
         return access_ok(VERIFY_WRITE, log_base + a,
                          (sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);