callers have no business modifying the paths they get
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/namespace.c | 4 ++--
include/linux/mount.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/namespace.c b/fs/namespace.c
index d29d7c948ec1..cc4e18040506 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2300,7 +2300,7 @@ static inline bool extend_array(struct path **res, struct path **to_free,
return p;
}
-struct path *collect_paths(const struct path *path,
+const struct path *collect_paths(const struct path *path,
struct path *prealloc, unsigned count)
{
struct mount *root = real_mount(path->mnt);
@@ -2334,7 +2334,7 @@ struct path *collect_paths(const struct path *path,
return res;
}
-void drop_collected_paths(const struct path *paths, struct path *prealloc)
+void drop_collected_paths(const struct path *paths, const struct path *prealloc)
{
for (const struct path *p = paths; p->mnt; p++)
path_put(p);
diff --git a/include/linux/mount.h b/include/linux/mount.h
index c09032463b36..18e4b97f8a98 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -104,8 +104,8 @@ extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
int do_mount(const char *, const char __user *,
const char *, unsigned long, void *);
-extern struct path *collect_paths(const struct path *, struct path *, unsigned);
-extern void drop_collected_paths(const struct path *, struct path *);
+extern const struct path *collect_paths(const struct path *, struct path *, unsigned);
+extern void drop_collected_paths(const struct path *, const struct path *);
extern void kern_unmount_array(struct vfsmount *mnt[], unsigned int num);
extern int cifs_root_data(char **dev, char **opts);
--
2.47.2
