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>

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 3aaf97c..349a3b8 100644 (file)
--- 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;
 }