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vfs: add path_put_init()
author
Miklos Szeredi
<mszeredi@redhat.com>
Thu, 9 Nov 2017 09:23:28 +0000
(10:23 +0100)
committer
Miklos Szeredi
<mszeredi@redhat.com>
Thu, 9 Nov 2017 09:23:28 +0000
(10:23 +0100)
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>
include/linux/path.h
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diff --git
a/include/linux/path.h
b/include/linux/path.h
index 81e65a5be7ce26f09c3093cd4c1137535294124d..475225a03d0dc30461124e91b0b9011322ace660 100644
(file)
--- 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 */