Re: [PATCH] usb: gadget: u_audio: initialize spinlocks

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On Mon, Oct 02, 2023 at 08:42:31AM +0200, Michael Grzeschik wrote:
> When using uac2 with lockdep enabled, the kernel is throwing this
> message, due to uninitialized spinlocks. We initialize them now.
> 
> [   24.668867] The code is fine but needs lockdep annotation, or maybe
> [   24.675878] you didn't initialize this object before use?
> [   24.681910] turning off the locking correctness validator.
> [   24.688038] CPU: 0 PID: 348 Comm: irq/43-dwc3 Tainted: G         C         6.5.0-20230919-1+ #14
> [   24.697866] Hardware name: WolfVision PF5 (DT)
> [   24.702831] Call trace:
> [   24.705559]  dump_backtrace+0xac/0x130
> [   24.709755]  show_stack+0x30/0x48
> [   24.713456]  dump_stack_lvl+0x60/0xb0
> [   24.717552]  dump_stack+0x18/0x28
> [   24.721254]  register_lock_class+0x4e8/0x4f8
> [   24.726029]  __lock_acquire+0x88/0x2130
> [   24.730314]  lock_acquire+0x17c/0x338
> [   24.734403]  _raw_spin_lock_irqsave+0x60/0x90
> [   24.739274]  u_audio_get_capture_srate+0x34/0x68
> [   24.744436]  afunc_setup+0x2d8/0x538
> [   24.748431]  composite_setup+0x1a8/0x1ba8
> [   24.752913]  configfs_composite_setup+0x88/0xc0
> [   24.757974]  dwc3_ep0_interrupt+0x5e8/0xab8
> [   24.762648]  dwc3_process_event_buf+0x424/0xbb0
> [   24.767717]  dwc3_thread_interrupt+0x4c/0x90
> [   24.772488]  irq_thread_fn+0x34/0xb8
> [   24.776484]  irq_thread+0x1a0/0x290
> [   24.780379]  kthread+0x10c/0x120
> [   24.783985]  ret_from_fork+0x10/0x20
> 
> Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>

What commit id does this fix?

thanks,

greg k-h




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