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Code Issues Releases Wiki Activity

USB host composite: Using wrong interface number from interface descriptor.

This commit is contained in:
Gregory Nutt 2016-08-31 13:29:38 -06:00
parent ebe829c4b9
commit e958c32e4d
1 changed files with 5 additions and 5 deletions
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10
drivers/usbhost/usbhost_composite.c
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@ -313,7 +313,7 @@ static int usbhost_copyinterface(uint8_t ifno, FAR const uint8_t *configdesc,
/* Is this an interface descriptor? Is it the one we are looking for? */
if (ifdesc->type == USB_DESC_TYPE_INTERFACE && ifdesc->iif == ifno)
if (ifdesc->type == USB_DESC_TYPE_INTERFACE && ifdesc->ifno == ifno)
{
/* Yes.. return the interface descriptor */
@ -570,7 +570,7 @@ int usbhost_composite(FAR struct usbhost_hubport_s *hport,
FAR struct usb_ifdesc_s *ifdesc =
(FAR struct usb_ifdesc_s *)desc;
DEBUGASSERT(ifdesc->iif < 32);
DEBUGASSERT(ifdesc->ifno < 32);
#endif
/* Increment the count of interfaces */
@ -684,8 +684,8 @@ int usbhost_composite(FAR struct usbhost_hubport_s *hport,
/* Was the interface merged via an IAD descriptor? */
DEBUGASSERT(ifdesc->iif < 32);
if ((mergeset & (1 << ifdesc->iif)) == 0)
DEBUGASSERT(ifdesc->ifno < 32);
if ((mergeset & (1 << ifdesc->ifno)) == 0)
{
/* No, this interface was not merged. Save the registry
* lookup information from the interface descriptor.
@ -698,7 +698,7 @@ int usbhost_composite(FAR struct usbhost_hubport_s *hport,
member->id.vid = id->vid;
member->id.pid = id->pid;
member->firstif = ifdesc->iif;
member->firstif = ifdesc->ifno;
member->nifs = 1;
/* Increment the member index */