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* [PATCH v2] usb: gadget: mass_storage: fix error return code in msg_bind()
@ 2020-11-12 13:54 Chen Zhou
  2020-11-16 14:01 ` Peter Chen
  0 siblings, 1 reply; 2+ messages in thread
From: Chen Zhou @ 2020-11-12 13:54 UTC (permalink / raw)
  To: balbi
  Cc: gregkh, weiyongjun1, jun.li, rogerq, linux-usb, linux-kernel,
	chenzhou10, Hulk Robot

Fix to return a negative error code from the error handling case
instead of 0 in function msg_bind(), as done elsewhere in this
function.

Fixes: d86788979761 ("usb: gadget: mass_storage: allocate and init otg descriptor by otg capabilities")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
 drivers/usb/gadget/legacy/mass_storage.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c
index 9ed22c5fb7fe..ac1741126619 100644
--- a/drivers/usb/gadget/legacy/mass_storage.c
+++ b/drivers/usb/gadget/legacy/mass_storage.c
@@ -175,8 +175,10 @@ static int msg_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_string_ids;
+		}
 		usb_otg_descriptor_init(cdev->gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;
-- 
2.20.1


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

* Re: [PATCH v2] usb: gadget: mass_storage: fix error return code in msg_bind()
  2020-11-12 13:54 [PATCH v2] usb: gadget: mass_storage: fix error return code in msg_bind() Chen Zhou
@ 2020-11-16 14:01 ` Peter Chen
  0 siblings, 0 replies; 2+ messages in thread
From: Peter Chen @ 2020-11-16 14:01 UTC (permalink / raw)
  To: Chen Zhou
  Cc: balbi, gregkh, weiyongjun1, jun.li, rogerq, linux-usb,
	linux-kernel, Hulk Robot

On 20-11-12 21:54:23, Chen Zhou wrote:
> Fix to return a negative error code from the error handling case
> instead of 0 in function msg_bind(), as done elsewhere in this
> function.
> 
> Fixes: d86788979761 ("usb: gadget: mass_storage: allocate and init otg descriptor by otg capabilities")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Chen Zhou <chenzhou10@huawei.com>

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

Peter
> ---
>  drivers/usb/gadget/legacy/mass_storage.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c
> index 9ed22c5fb7fe..ac1741126619 100644
> --- a/drivers/usb/gadget/legacy/mass_storage.c
> +++ b/drivers/usb/gadget/legacy/mass_storage.c
> @@ -175,8 +175,10 @@ static int msg_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_string_ids;
> +		}
>  		usb_otg_descriptor_init(cdev->gadget, usb_desc);
>  		otg_desc[0] = usb_desc;
>  		otg_desc[1] = NULL;
> -- 
> 2.20.1
> 

-- 

Thanks,
Peter Chen

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

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