Re: [RFC 2/9] WIP: fix drivers/usb/core/usb.c

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On Fri, Aug 28, 2015 at 01:24:03AM +0300, Antony Pavlov wrote:
> drivers/usb/core/usb.c: In function 'usb_parse_config':
> drivers/usb/core/usb.c:194:28: error: 'struct usb_configuration' has no
> member named 'wTotalLength'
>   le16_to_cpus(&(dev->config.wTotalLength));
>                             ^
> ...
> scripts/Makefile.build:249: recipe for target 'drivers/usb/core/usb.o'
> failed
> make[3]: *** [drivers/usb/core/usb.o] Error 1
> scripts/Makefile.build:387: recipe for target 'drivers/usb/core' failed
> make[2]: *** [drivers/usb/core] Error 2
> scripts/Makefile.build:387: recipe for target 'drivers/usb' failed
> make[1]: *** [drivers/usb] Error 2
> Makefile:770: recipe for target 'drivers' failed
> make: *** [drivers] Error 2
> 
> see also
> 
> commit 245069bcef15ecc19db616a967501349b76c84d0
> Author: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Date:   Thu Jul 10 11:36:12 2014 +0200
> 
>     USB: introduce usb_interface/usb_configuration structs
> 
>     Currently we have two conflicting definitions of struct
> usb_config_descriptor
>     and struct usb_interface_descriptor in the tree. This is because the
> USB code
>     uses additional fields in the structs for internal housekeeping. Add
>     struct usb_interface and struct struct usb_configuration with the
> housekeeping
>     data and embed the corresponding hardware structs into them. This
> frees the
>     way to use the definitions from ch9.h in the next step.
> 
> Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx>
> ---
>  drivers/usb/core/usb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
> index 9073fff..f8d6014 100644
> --- a/drivers/usb/core/usb.c
> +++ b/drivers/usb/core/usb.c
> @@ -191,7 +191,7 @@ static int usb_parse_config(struct usb_device *dev, unsigned char *buffer, int c
>  		return -1;
>  	}
>  	memcpy(&dev->config, buffer, buffer[0]);
> -	le16_to_cpus(&(dev->config.wTotalLength));
> +	le16_to_cpus(&(dev->config.desc.wTotalLength));
>  	dev->config.no_of_if = 0;


What's WIP in this patch? It looks 100% correct.

Sascha

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