Re: [PATCH] media: atomisp: add missing mutex in atomisp_vidioc_default()

[Sakari Ailus]

Hi Ziyi,

On Thu, Feb 05, 2026 at 04:37:30AM +0000, Ziyi Guo wrote:
> atomisp_vidioc_default() calls atomisp_exp_id_unlock(),
> atomisp_exp_id_capture(), and atomisp_inject_a_fake_event() without
> holding isp->mutex. However, all three functions have
> lockdep_assert_held(&isp->mutex) indicating callers must hold this lock.
> 
> Other ioctl handlers in the same driver (e.g., atomisp_start_streaming)
> properly acquire the mutex before operating on ISP state.
> 
> Add mutex_lock()/mutex_unlock() around these three ioctl cases to fix the
> missing lock protection.
> 
> Signed-off-by: Ziyi Guo <n7l8m4@xxxxxxxxxxxxxxxxxx>

We're disabling these for now so the locking question is no longer
relevant.

-- 
Kind regards,

Sakari Ailus