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Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 344019774ddd..b6f149572d1a 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -418,7 +418,7 @@ static int log_access_ok(void __user *log_base, u64 addr, unsigned long sz)
418 /* Make sure 64 bit math will not overflow. */ 418 /* Make sure 64 bit math will not overflow. */
419 if (a > ULONG_MAX - (unsigned long)log_base || 419 if (a > ULONG_MAX - (unsigned long)log_base ||
420 a + (unsigned long)log_base > ULONG_MAX) 420 a + (unsigned long)log_base > ULONG_MAX)
421 return -EFAULT; 421 return 0;
422 422
423 return access_ok(VERIFY_WRITE, log_base + a, 423 return access_ok(VERIFY_WRITE, log_base + a,
424 (sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8); 424 (sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);