Re: [PATCH v3] auxdisplay: charlcd: cancel backlight work on registration failure

Andy Shevchenko <[email protected]>
Newsgroups org.kernel.vger.stable,org.kernel.vger.linux-kernel
Organization Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo
Message-ID <[email protected]> 
On Sat, Aug 15, 2026 at 06:59:50PM +0800, Hongyan Xu wrote:
> With CONFIG_CHARLCD_BL_FLASH, charlcd_init() schedules bl_work before
> charlcd_register() calls misc_register(). If registration fails, the
> caller frees the charlcd object while delayed work still contains its
> address.
> 
> Add charlcd_deinit() to cancel the delayed work and turn the backlight
> off. Use it for both registration rollback and normal unregistration.

Pushed to my review and testing queue, thanks!

-- 
With Best Regards,
Andy Shevchenko
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