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* [PATCH] usb: gadget: audio: Fix a missing error return value in audio_bind()
@ 2020-05-03 10:47 Christophe JAILLET
  2020-05-06  9:03 ` Peter Chen
  0 siblings, 1 reply; 2+ messages in thread
From: Christophe JAILLET @ 2020-05-03 10:47 UTC (permalink / raw)
  To: balbi, gregkh, jun.li, rogerq
  Cc: linux-usb, linux-kernel, kernel-janitors, Christophe JAILLET

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@wanadoo.fr>
---
 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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] usb: gadget: audio: Fix a missing error return value in audio_bind()
  2020-05-03 10:47 [PATCH] usb: gadget: audio: Fix a missing error return value in audio_bind() Christophe JAILLET
@ 2020-05-06  9:03 ` Peter Chen
  0 siblings, 0 replies; 2+ messages in thread
From: Peter Chen @ 2020-05-06  9:03 UTC (permalink / raw)
  To: Christophe JAILLET
  Cc: balbi, gregkh, jun.li, rogerq, linux-usb, linux-kernel, kernel-janitors

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@wanadoo.fr>
> ---
>  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@nxp.com>

-- 

Thanks,
Peter Chen

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-05-03 10:47 [PATCH] usb: gadget: audio: Fix a missing error return value in audio_bind() Christophe JAILLET
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