There is no need to check if "port" is NULL. We already verified that it
is non-NULL. It's a stack variable and can't be modified by a different
thread. Delete this dead code.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/usb/gadget/function/u_serial.c | 7 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index ab544f6824be..96756a489d6a 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -1501,13 +1501,7 @@ void gserial_suspend(struct gserial *gser)
spin_unlock_irqrestore(&serial_port_lock, flags);
if (!gserial_wakeup_host(gser))
return;
-
- /* Check if port is valid after acquiring lock back */
spin_lock_irqsave(&serial_port_lock, flags);
- if (!port) {
- spin_unlock_irqrestore(&serial_port_lock, flags);
- return;
- }
}
spin_lock(&port->port_lock);
--
2.47.2
