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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 3aaf97c774f1..349a3b852be9 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -344,7 +344,7 @@ 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;
 }