ext4: replace plain integer with NULL in super.c

Fixes the following sparse warning:
fs/ext4/super.c:1672:45: warning: Using plain integer as NULL pointer

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bae4124e1473..b875ff555865 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1673,7 +1673,7 @@ static int parse_options(char *options, struct super_block *sb,
                  * Initialize args struct so we know whether arg was
                  * found; some options take optional arguments.
                  */
-                args[0].to = args[0].from = 0;
+                args[0].to = args[0].from = NULL;
                 token = match_token(p, tokens, args);
                 if (handle_mount_opt(sb, p, token, args, journal_devnum,
                                      journal_ioprio, is_remount) < 0)