[PATCH] proc: Use NULL instead of 0 for pointer

[Sachin Kamat]

This cleanup also fixes the following sparse warning:
fs/proc/root.c:64:45: warning: Using plain integer as NULL pointer

Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
---
 fs/proc/root.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/proc/root.c b/fs/proc/root.c
index 9a2d9fd..9889a92 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -61,7 +61,7 @@ static int proc_parse_options(char *options, struct pid_namespace *pid)
 		if (!*p)
 			continue;
 
-		args[0].to = args[0].from = 0;
+		args[0].to = args[0].from = NULL;
 		token = match_token(p, tokens, args);
 		switch (token) {
 		case Opt_gid:
-- 
1.7.4.1

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