From 5afcc6e08a78464d5947de7e20824b2bfafd8238 Mon Sep 17 00:00:00 2001
From: Torsten Duwe <duwe@lst.de>
Date: Mon, 16 Jun 2014 10:24:09 -0400
Subject: [PATCH] hw_random: fix sparse warning (NULL vs 0 for pointer)

Signed-off-by: Torsten Duwe <duwe@suse.de>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 drivers/char/hw_random/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 48b3c812b9ec..f5df8a33127c 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -335,7 +335,7 @@ static int hwrng_fillfn(void *unused)
 		add_hwgenerator_randomness((void *)rng_fillbuf, rc,
 					   (rc*current_quality)>>10);
 	}
-	hwrng_fill = 0;
+	hwrng_fill = NULL;
 	return 0;
 }