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Re: [PATCH stable 6.6] Revert "wifi: cfg80211: check wiphy mutex is held for wdev mutex"

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On Thu, Sep 26, 2024 at 08:30:17AM +0800, Ping-Ke Shih wrote:
> This reverts commit 268f84a827534c4e4c2540a4e29daa73359fc0a5.
> 
> The reverted commit is based on implementation of wiphy locking that isn't
> planned to redo on a stable kernel, so revert it to avoid warning:
> 
>  WARNING: CPU: 0 PID: 9 at net/wireless/core.h:231 disconnect_work+0xb8/0x144 [cfg80211]
>  CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.6.51-00141-ga1649b6f8ed6 #7
>  Hardware name: Freescale i.MX6 SoloX (Device Tree)
>  Workqueue: events disconnect_work [cfg80211]
>   unwind_backtrace from show_stack+0x10/0x14
>   show_stack from dump_stack_lvl+0x58/0x70
>   dump_stack_lvl from __warn+0x70/0x1c0
>   __warn from warn_slowpath_fmt+0x16c/0x294
>   warn_slowpath_fmt from disconnect_work+0xb8/0x144 [cfg80211]
>   disconnect_work [cfg80211] from process_one_work+0x204/0x620
>   process_one_work from worker_thread+0x1b0/0x474
>   worker_thread from kthread+0x10c/0x12c
>   kthread from ret_from_fork+0x14/0x24
> 
> Reported-by: petter@xxxxxxxxxx
> Closes: https://lore.kernel.org/linux-wireless/9e98937d781c990615ef27ee0c858ff9@xxxxxxxxxx/T/#t
> Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>

Now queued up, thanks.

greg k-h




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