From 98836539504bd527d029e12496fbaa343b0adb48 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@kernel.dk>
Date: Fri, 9 Mar 2012 19:00:31 +0100
Subject: [PATCH] Compression buffer fill fix

We need to advance after the zero fill as well.

Reported-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 lib/rand.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/rand.c b/lib/rand.c
index 995035fe..a79fb9c1 100644
--- a/lib/rand.c
+++ b/lib/rand.c
@@ -125,6 +125,8 @@ unsigned long fill_random_buf_percentage(struct frand_state *fs, void *buf,
 			this_len = len;
 
 		memset(buf, 0, this_len);
+		len -= this_len;
+		buf += this_len;
 	}
 
 	return r;
-- 
2.25.1