diff --git a/drivers/platform/surface/surface_dtx.c b/drivers/platform/surface/surface_dtx.c
index 63ce587e..5d9b758 100644
--- a/drivers/platform/surface/surface_dtx.c
+++ b/drivers/platform/surface/surface_dtx.c
@@ -527,20 +527,14 @@
 	struct sdtx_client *client = file->private_data;
 	__poll_t events = 0;
 
-	if (down_read_killable(&client->ddev->lock))
-		return -ERESTARTSYS;
-
-	if (test_bit(SDTX_DEVICE_SHUTDOWN_BIT, &client->ddev->flags)) {
-		up_read(&client->ddev->lock);
+	if (test_bit(SDTX_DEVICE_SHUTDOWN_BIT, &client->ddev->flags))
 		return EPOLLHUP | EPOLLERR;
-	}
 
 	poll_wait(file, &client->ddev->waitq, pt);
 
 	if (!kfifo_is_empty(&client->buffer))
 		events |= EPOLLIN | EPOLLRDNORM;
 
-	up_read(&client->ddev->lock);
 	return events;
 }