Re: [PATCH] usb: gadget: audio: Fix a missing error return value in audio_bind()

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On 20-05-03 12:47:07, Christophe JAILLET wrote:
> If 'usb_otg_descriptor_alloc()' fails, we must return an error code, not 0.
> 
> Fixes: 56023ce0fd70 ("usb: gadget: audio: allocate and init otg descriptor by otg capabilities")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
>  drivers/usb/gadget/legacy/audio.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c
> index dd81fd538cb8..a748ed0842e8 100644
> --- a/drivers/usb/gadget/legacy/audio.c
> +++ b/drivers/usb/gadget/legacy/audio.c
> @@ -300,8 +300,10 @@ static int audio_bind(struct usb_composite_dev *cdev)
>  		struct usb_descriptor_header *usb_desc;
>  
>  		usb_desc = usb_otg_descriptor_alloc(cdev->gadget);
> -		if (!usb_desc)
> +		if (!usb_desc) {
> +			status = -ENOMEM;
>  			goto fail;
> +		}
>  		usb_otg_descriptor_init(cdev->gadget, usb_desc);
>  		otg_desc[0] = usb_desc;
>  		otg_desc[1] = NULL;
> -- 
> 2.25.1
> 

Reviewed-by: Peter Chen <peter.chen@xxxxxxx>

-- 

Thanks,
Peter Chen



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