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| author | Saravana Kannan <saravanak@google.com> | 2021-04-02 06:03:40 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 09:14:18 +0200 |
| commit | eed6e41813deb9ee622cd9242341f21430d7789f (patch) | |
| tree | 91b999f50ba45512e35dbda8906988f2f87c5dd3 /usr | |
| parent | Linux 5.12-rc6 (diff) | |
| download | linux-eed6e41813deb9ee622cd9242341f21430d7789f.tar.xz linux-eed6e41813deb9ee622cd9242341f21430d7789f.zip | |
driver core: Fix locking bug in deferred_probe_timeout_work_func()
list_for_each_entry_safe() is only useful if we are deleting nodes in a
linked list within the loop. It doesn't protect against other threads
adding/deleting nodes to the list in parallel. We need to grab
deferred_probe_mutex when traversing the deferred_probe_pending_list.
Cc: stable@vger.kernel.org
Fixes: 25b4e70dcce9 ("driver core: allow stopping deferred probe after init")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210402040342.2944858-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'usr')
0 files changed, 0 insertions, 0 deletions