vhost_set_vring(): turn pollstart/pollstop into bool
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index ef82a0d..99ac2cb 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -636,8 +636,8 @@
static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
{
- struct file *eventfp, *filep = NULL,
- *pollstart = NULL, *pollstop = NULL;
+ struct file *eventfp, *filep = NULL;
+ bool pollstart = false, pollstop = false;
struct eventfd_ctx *ctx = NULL;
u32 __user *idxp = argp;
struct vhost_virtqueue *vq;
@@ -763,8 +763,8 @@
break;
}
if (eventfp != vq->kick) {
- pollstop = filep = vq->kick;
- pollstart = vq->kick = eventfp;
+ pollstop = (filep = vq->kick) != NULL;
+ pollstart = (vq->kick = eventfp) != NULL;
} else
filep = eventfp;
break;