On Mon, Oct 11, 2010 at 07:24:19PM +0200, Dan Carpenter wrote: > access_ok() returns 1 if it's OK otherwise it should return 0. > > Signed-off-by: Dan Carpenter <error27@xxxxxxxxx> Good catch, thanks! Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c > index c2aa12c..f82fe57 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); _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
