diff --git a/drivers/char/random.c b/drivers/char/random.c
index c511a83..f43c89f 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1039,6 +1039,7 @@
 		p += bytes;
 
 		add_entropy_words(r, buf, (bytes + 3) / 4);
+		cond_resched();
 	}
 
 	return 0;