Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1304201

Re: [PATCH] usb: gadget: fix error handling

From Peter Chen <hzpeterchen@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] usb: gadget: fix error handling
Date 2016-01-08 07:10 +0100
Message-ID <qOypk-2DF-11@gated-at.bofh.it> (permalink)
References <qOiuf-6b-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Thu, Jan 07, 2016 at 06:30:37PM +0530, Sudip Mukherjee wrote:
> We are doing PTR_ERR() of NULL, and that will actually make ret = 0.
> So incase of both error and success we are actually returning the
> success code.
> 

%s/incase of/in case of

Reviewed-by: Peter Cen <peter.chen@freescale.com>

> Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
> ---
>  drivers/usb/gadget/composite.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
> index 8b14c2a..17ce6b5 100644
> --- a/drivers/usb/gadget/composite.c
> +++ b/drivers/usb/gadget/composite.c
> @@ -2017,14 +2017,14 @@ int composite_os_desc_req_prepare(struct usb_composite_dev *cdev,
>  
>  	cdev->os_desc_req = usb_ep_alloc_request(ep0, GFP_KERNEL);
>  	if (!cdev->os_desc_req) {
> -		ret = PTR_ERR(cdev->os_desc_req);
> +		ret = -ENOMEM;
>  		goto end;
>  	}
>  
>  	/* OS feature descriptor length <= 4kB */
>  	cdev->os_desc_req->buf = kmalloc(4096, GFP_KERNEL);
>  	if (!cdev->os_desc_req->buf) {
> -		ret = PTR_ERR(cdev->os_desc_req->buf);
> +		ret = -ENOMEM;
>  		kfree(cdev->os_desc_req);
>  		goto end;
>  	}
> -- 
> 1.9.1
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-usb" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

-- 

Best Regards,
Peter Chen

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread


Thread

[PATCH] usb: gadget: fix error handling Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2016-01-07 14:10 +0100
  Re: [PATCH] usb: gadget: fix error handling Peter Chen <hzpeterchen@gmail.com> - 2016-01-08 07:10 +0100

csiph-web