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usb: gadget: f_dfu: set serial number if serial# is valid 

With this patch, USB Command Verifier is happy with our DFU
implementation on Chapter 9 tests.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2017-02-22 11:22:38 +02:00 committed by Marek Vasut
parent 949bf79e73
commit 9bf9e81358
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/gadget/f_dfu.c
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@ -691,6 +691,7 @@ static int dfu_bind(struct usb_configuration *c, struct usb_function *f)
{
struct usb_composite_dev *cdev = c->cdev;
struct f_dfu *f_dfu = func_to_dfu(f);
const char *s;
int alt_num = dfu_get_alt_number();
int rv, id, i;
@ -724,6 +725,10 @@ static int dfu_bind(struct usb_configuration *c, struct usb_function *f)
cdev->req->context = f_dfu;
s = getenv("serial#");
if (s)
g_dnl_set_serialnumber((char *)s);
error:
return rv;
}