summaryrefslogtreecommitdiffstats
path: root/drivers/usb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/udc/core.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 7886497253cc..cafcf260394c 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1728,13 +1728,14 @@ static int usb_udc_uevent(struct device *dev, struct kobj_uevent_env *env)
return ret;
}
- if (udc->driver) {
+ mutex_lock(&udc_lock);
+ if (udc->driver)
ret = add_uevent_var(env, "USB_UDC_DRIVER=%s",
udc->driver->function);
- if (ret) {
- dev_err(dev, "failed to add uevent USB_UDC_DRIVER\n");
- return ret;
- }
+ mutex_unlock(&udc_lock);
+ if (ret) {
+ dev_err(dev, "failed to add uevent USB_UDC_DRIVER\n");
+ return ret;
}
return 0;