[U-Boot] [PATCH V2 06/20] usb: gadget: config: fix unaligned access issues

[Marek Vasut <marex@denx.de>]

Dear Troy Kisky,

> On 8/1/2013 3:18 PM, Troy Kisky wrote:
> > Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
> > ---
> > 
> >   drivers/usb/gadget/config.c | 6 ++++--
> >   1 file changed, 4 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c
> > index f563afe..014a679 100644
> > --- a/drivers/usb/gadget/config.c
> > +++ b/drivers/usb/gadget/config.c
> > @@ -10,6 +10,7 @@
> > 
> >    */
> >   
> >   #include <common.h>
> > 
> > +#include <asm/unaligned.h>
> > 
> >   #include <asm/errno.h>
> >   #include <linux/list.h>
> >   #include <linux/string.h>
> > 
> > @@ -86,7 +87,8 @@ int usb_gadget_config_buf(
> > 
> >   	/* config descriptor first */
> >   	if (length < USB_DT_CONFIG_SIZE || !desc)
> >   	
> >   		return -EINVAL;
> > 
> > -	*cp = *config;
> > +	/* config need not be aligned */
> > +	memcpy(cp, config, sizeof(*cp));
> > 
> >   	/* then interface/endpoint/class/vendor/... */
> >   	len = usb_descriptor_fillbuf(USB_DT_CONFIG_SIZE + (u8 *)buf,
> > 
> > @@ -100,7 +102,7 @@ int usb_gadget_config_buf(
> > 
> >   	/* patch up the config descriptor */
> >   	cp->bLength = USB_DT_CONFIG_SIZE;
> >   	cp->bDescriptorType = USB_DT_CONFIG;
> > 
> > -	cp->wTotalLength = cpu_to_le16(len);
> > +	put_unaligned_le16(len, &cp->wTotalLength);
> > 
> >   	cp->bmAttributes |= USB_CONFIG_ATT_ONE;
> >   	return len;
> >   
> >   }
> 
> Sorry folks, I forgot to delete old patches when I rebased to put
> Stefano patches together, please ignore this one.

Repost the series please, this is really hard to review.

Best regards,
Marek Vasut