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>

diff --git a/lib/rand.c b/lib/rand.c
index 995035fea742ad211f757bc12427c2160629b4c1..a79fb9c17c321a94e8e4bcfe030193003c80d93f 100644 (file)
--- 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);
                        this_len = len;
 
                memset(buf, 0, this_len);

+               len -= this_len;
+               buf += this_len;

        }
 
        return r;
        }
 
        return r;