Commit c0f65a7c authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'printk-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux 

Pull printk fix from Petr Mladek:

 - Prevent refcount warning from code releasing a fwnode

* tag 'printk-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  lib/vsprintf: Fix %pfwf when current node refcount == 0
parents 5414aea7 5c47251e

lib/vsprintf.c

+8 −3
Original line number Diff line number Diff line
@@ -2111,14 +2111,19 @@ char *fwnode_full_name_string(struct fwnode_handle *fwnode, char *buf, 


	/* Loop starting from the root node to the current node. */

	for (depth = fwnode_count_parents(fwnode); depth >= 0; depth--) {

		struct fwnode_handle *__fwnode =

			fwnode_get_nth_parent(fwnode, depth);

		/*

		 * Only get a reference for other nodes (i.e. parent nodes).

		 * fwnode refcount may be 0 here.

		 */

		struct fwnode_handle *__fwnode = depth ?

			fwnode_get_nth_parent(fwnode, depth) : fwnode;



		buf = string(buf, end, fwnode_get_name_prefix(__fwnode),

			     default_str_spec);

		buf = string(buf, end, fwnode_get_name(__fwnode),

			     default_str_spec);



		if (depth)

			fwnode_handle_put(__fwnode);

	}