usb: gadget: gr_udc: Fix check for invalid number of microframes
The value 0x3 (not 0x11) in the field for additional transaction/microframe is reserved and should not be let through. Be clear in the error message about what value caused the error return. Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Andreas Larsson <andreas@gaisler.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
parent
7adb5c876e
commit
6ee96cc000
|
@ -1532,8 +1532,9 @@ static int gr_ep_enable(struct usb_ep *_ep,
|
|||
"%s mode: multiple trans./microframe not valid\n",
|
||||
(mode == 2 ? "Bulk" : "Control"));
|
||||
return -EINVAL;
|
||||
} else if (nt == 0x11) {
|
||||
dev_err(dev->dev, "Invalid value for trans./microframe\n");
|
||||
} else if (nt == 0x3) {
|
||||
dev_err(dev->dev,
|
||||
"Invalid value 0x3 for additional trans./microframe\n");
|
||||
return -EINVAL;
|
||||
} else if ((nt + 1) * max > buffer_size) {
|
||||
dev_err(dev->dev, "Hw buffer size %d < max payload %d * %d\n",
|
||||
|
|
Loading…
Reference in a new issue