linux-kernel - [PATCH] fsnotify/fdinfo: exportfs_encode_inode

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Date:   Wed, 16 Oct 2019 10:59:55 +0100
From:   "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>
To:     linux-kernel@...ts.codethink.co.uk
Cc:     "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>,
        Jan Kara <jack@...e.cz>, Amir Goldstein <amir73il@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] fsnotify/fdinfo: exportfs_encode_inode_fh() takes pointer as 4th argument

The call to exportfs_encode_inode_fh() takes an pointer
as the 4th argument, so replace the integer 0 with the
NULL pointer.

This fixes the following sparse warning:

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

Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
---
Cc: Jan Kara <jack@...e.cz>
Cc: Amir Goldstein <amir73il@...il.com>
Cc: linux-fsdevel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 fs/notify/fdinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/notify/fdinfo.c b/fs/notify/fdinfo.c
index 1e2bfd26b352..ef83f4020554 100644
--- a/fs/notify/fdinfo.c
+++ b/fs/notify/fdinfo.c
@@ -50,7 +50,7 @@ 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;
-- 
2.23.0