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usb: gadget: ncm: correct endianess conversion

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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@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Dmytro Milinevskyy 2012-10-05 01:44:04 +03:00 committed by Felipe Balbi
parent 23834e5331
commit f72e3b7886
1 changed files with 8 additions and 4 deletions
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12
drivers/usb/gadget/f_ncm.c
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@ -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;