linux-kernel - Re: [PATCH] usb: gadget: ncm: correct endianess conversion

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Message-ID: <CAOUdcc-5TdxUzysEvacexmDQ6stB7kNo18-B3Y26V8i7i+p-HA@mail.gmail.com>
Date:	Sun, 4 Nov 2012 15:30:05 +0100
From:	Dmytro Milinevskyy <milinevskyy@...il.com>
To:	Sergei Shtylyov <sshtylyov@...sta.com>
Cc:	Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: gadget: ncm: correct endianess conversion

Hum, you are right. It's pain to send anything via thunderbird.
Resending.

br,
-- dmytro

On Fri, Nov 2, 2012 at 12:46 PM, Sergei Shtylyov <sshtylyov@...sta.com> wrote:
> Hello.
>
>
> On 01-11-2012 19:16, Dmytro Milinevskyy wrote:
>
>> Convert USB descriptor's fields to CPU byte order before using locally in
>> USB
>> NCM gadget driver.
>> Tested on MIPS32 big-endian device.
>
>
>> Signed-off-by: Dmytro Milinevskyy <milinevskyy@...il.com>
>> ---
>>   drivers/usb/gadget/f_ncm.c | 12 ++++++++----
>>
>>   1 file changed, 8 insertions(+), 4 deletions(-)
>
>
>> diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c
>> index b651b52..a7cdd47 100644
>> --- a/drivers/usb/gadget/f_ncm.c
>> +++ b/drivers/usb/gadget/f_ncm.c
>
> [...]
>>
>> @@ -869,15 +869,19 @@ static struct sk_buff *ncm_wrap_ntb(struct gether
>> *port,
>>
>>       struct sk_buff    *skb2;
>>       int        ncb_len = 0;
>>       __le16        *tmp;
>> -    int        div = ntb_parameters.wNdpInDivisor;
>> -    int        rem = ntb_parameters.wNdpInPayloadRemainder;
>> +    int        div;
>> +    int        rem;
>>
>>       int        pad;
>> -    int        ndp_align = ntb_parameters.wNdpInAlignment;
>> +    int        ndp_align;
>>       int        ndp_pad;
>>
>>       unsigned    max_size = ncm->port.fixed_in_len;
>>       struct ndp_parser_opts *opts = ncm->parser_opts;
>>       unsigned    crc_len = ncm->is_crc ? sizeof(uint32_t) : 0;
>>   +    div = le16_to_cpu(ntb_parameters.wNdpInDivisor);
>
>
>     Probably corrupt patch -- there shouldn't be spaces before '+'.
>
> WBR, Sergei
>
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