Commit 6d97e55f authored by Dan Carpenter's avatar Dan Carpenter Committed by Michael S. Tsirkin

vhost: fix return code for log_access_ok()

access_ok() returns 1 if it's OK otherwise it should return 0.
Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent b0057c51
......@@ -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);
......
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