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

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Date:	Wed, 7 Nov 2012 14:14:00 +0100
From:	Dmytro Milinevskyy <milinevskyy@...il.com>
To:	balbi@...com
Cc:	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

Unfortunately I have some issues with git send-email.
I've attached the patch itself ..

regards,
-- dmytro

On Tue, Nov 6, 2012 at 12:27 PM, Felipe Balbi <balbi@...com> wrote:
> On Sun, Nov 04, 2012 at 03:30:21PM +0100, 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>
>
> doesn't apply:
>
> $ patch -p1 --dry-run < patch.diff
> patching file drivers/usb/gadget/f_ncm.c
> patch: **** malformed patch at line 31: @@ -869,15 +869,19 @@ static struct sk_buff *ncm_wrap_ntb(struct gether *port,
>
> can you use git-send-email ?
>
>> ---
>>  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
>> @@ -102,7 +102,7 @@ static inline unsigned ncm_bitrate(struct usb_gadget *g)
>>                                USB_CDC_NCM_NTB32_SUPPORTED)
>>  static struct usb_cdc_ncm_ntb_parameters ntb_parameters = {
>> -     .wLength = sizeof ntb_parameters,
>> +     .wLength = cpu_to_le16(sizeof(ntb_parameters)),
>>       .bmNtbFormatsSupported = cpu_to_le16(FORMATS_SUPPORTED),
>>       .dwNtbInMaxSize = cpu_to_le32(NTB_DEFAULT_IN_SIZE),
>>       .wNdpInDivisor = cpu_to_le16(4),
>> @@ -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);
>> +     rem = le16_to_cpu(ntb_parameters.wNdpInPayloadRemainder);
>> +     ndp_align = le16_to_cpu(ntb_parameters.wNdpInAlignment);
>> +
>>       ncb_len += opts->nth_size;
>>       ndp_pad = ALIGN(ncb_len, ndp_align) - ncb_len;
>>       ncb_len += ndp_pad;
>> --
>> 1.8.0
>>
>>
>
> --
> balbi

Download attachment "0001-usb-gadget-ncm-correct-endianess-conversion.patch" of type "application/octet-stream" (1882 bytes)