linux-kernel - [PATCH] fsnotify: Use NULL instead of 0 for pointer

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Date:   Tue, 29 Oct 2019 21:39:02 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] fsnotify: Use NULL instead of 0 for pointer

Fix the following sparse warning:

fs/notify/fdinfo.c:53:87: warning: Using plain integer as NULL pointer

Fixes: be77196b809c ("fs, notify: add procfs fdinfo helper")
Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 fs/notify/fdinfo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/notify/fdinfo.c b/fs/notify/fdinfo.c
index 1e2bfd2..cd2846e 100644
--- a/fs/notify/fdinfo.c
+++ b/fs/notify/fdinfo.c
@@ -50,7 +50,8 @@ static void show_mark_fhandle(struct seq_file *m, struct inode *inode)
 	f.handle.handle_bytes = sizeof(f.pad);
 	size = f.handle.handle_bytes >> 2;
 
-	ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle, &size, 0);
+	ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle,
+				       &size, NULL);
 	if ((ret == FILEID_INVALID) || (ret < 0)) {
 		WARN_ONCE(1, "Can't encode file handler for inotify: %d\n", ret);
 		return;
-- 
2.1.0