We don't want to claim that we support a serial number string and
later return nothing. Because of that, if g_dnl_serial is an empty
string, let's skip setting iSerialNumber to a valid number.
Signed-off-by: Felipe Balbi <felipe.ba...@linux.intel.com>
---
No access to a board right now, compile tested only
drivers/usb/gadget/g_dnl.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
index fcedb554c4c6..4cc4438fdb4a 100644
--- a/drivers/usb/gadget/g_dnl.c
+++ b/drivers/usb/gadget/g_dnl.c
@@ -224,12 +224,14 @@ static int g_dnl_bind(struct usb_composite_dev *cdev)
g_dnl_string_defs[1].id = id;
device_desc.iProduct = id;
- id = usb_string_id(cdev);
- if (id < 0)
- return id;
+ if (strlen(g_dnl_serial)) {
+ id = usb_string_id(cdev);
+ if (id < 0)
+ return id;
- g_dnl_string_defs[2].id = id;
- device_desc.iSerialNumber = id;
+ g_dnl_string_defs[2].id = id;
+ device_desc.iSerialNumber = id;
+ }
g_dnl_bind_fixup(&device_desc, cdev->driver->name);
ret = g_dnl_config_register(cdev);
--
2.11.0.295.gd7dffce1ce
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