From: Miklos Szeredi <mszeredi@redhat.com>
Date: Thu, 9 Nov 2017 09:23:28 +0000 (+0100)
Subject: vfs: add path_put_init()
X-Git-Tag: v4.15-rc1~63^2~19
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f121aadede37bcbb77ea552d195a09c734486fe7;p=thirdparty%2Fkernel%2Flinux.git

vfs: add path_put_init()

This one initializes the struct path to all zeroes so that multiple
path_put_init() on the path is safe.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---

diff --git a/include/linux/path.h b/include/linux/path.h
index 81e65a5be7ce2..475225a03d0dc 100644
--- a/include/linux/path.h
+++ b/include/linux/path.h
@@ -18,4 +18,10 @@ static inline int path_equal(const struct path *path1, const struct path *path2)
 	return path1->mnt == path2->mnt && path1->dentry == path2->dentry;
 }
 
+static inline void path_put_init(struct path *path)
+{
+	path_put(path);
+	*path = (struct path) { };
+}
+
 #endif  /* _LINUX_PATH_H */