On Mon, Mar 22, 2021 at 03:26:50PM -0500, George McCollister wrote: > Use a temporary variable to hold the return value from > dsa_tag_driver_get() instead of assigning it to dst->tag_ops. Leaving > an error value in dst->tag_ops can result in deferencing an invalid > pointer when a deferred switch configuration happens later. > > Fixes: 357f203bb3b5 ("net: dsa: keep a copy of the tagging protocol in the > DSA switch tree") > > Signed-off-by: George McCollister <george.mccollis...@gmail.com> > ---
Who dereferences the invalid pointer? dsa_tree_free I guess?