On Tue, Aug 09, 2016 at 10:18:19AM +0200, Greg KH wrote: > On Tue, Aug 09, 2016 at 01:23:20AM -0400, Tejun Heo wrote: > > kernfs path formatting functions always return the length of full path > > but the content of the output buffer is undefined when the length is > > longer than the provided buffer. Most cgroup path formatting > > functions return the start of the output or NULL on errors including > > overflow. These inconsistent and rather peculiar behaviors developed > > over time and make these functions unnecessarily difficult to use. > > This patchset updates the formatting functions so that they all behave > > in the style of strlcpy(). > > > > Greg, these changes are used by cgroup tracepoint additions and > > shouldn't affect other users much. Would it be okay to route these > > through the cgroup tree? > > > > 0001-kernfs-add-dummy-implementation-of-kernfs_path_from_.patch > > 0002-kernfs-make-kernfs_path-behave-in-the-style-of-strlc.patch > > 0003-kernfs-remove-kernfs_path_len.patch > > 0004-cgroup-make-cgroup_path-and-friends-behave-in-the-st.patch > > > > The patches are also available in the following git branch. > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git > > review-kernfs_path-strlcpy > > > > diffstat follows. Thanks. > > It's fine with me if you take these yourself: > > Acked-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Applied 1-4 to cgroup/for-4.9. Thanks. -- tejun
