Sparse reports a warning at set_link_state()
warning: context imbalance in set_link_state() - unexpected unlock
The root cause is the missing annotation at set_link_state()
Add the missing __must_hold(&dum->lock)
Signed-off-by: Jules Irenge <[email protected]>
---
drivers/usb/gadget/udc/dummy_hcd.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 4c9d1e49d5ed..c07ddf11e137 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -427,6 +427,7 @@ static void set_link_state_by_speed(struct dummy_hcd *dum_hcd)
/* caller must hold lock */
static void set_link_state(struct dummy_hcd *dum_hcd)
+ __must_hold(&dum->lock)
{
struct dummy *dum = dum_hcd->dum;
unsigned int power_bit;
--
2.25.3