usb: chipidea: remove unneeded NULL check

As reported by Dan Carpenter, there is a NULL check in udc_start() that
follows a dereference of the pointer that's being checked. However, at
that point udc pointer shouldn't ever be NULL and if it is, the dereference
should cause an oops.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 4688ab71bd275108b6b787a8c756661f6d83c345..80e71021f18656e638a1974800485287285a0f05 100644 (file)
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1648,9 +1648,6 @@ static int udc_start(struct ci13xxx *udc)
        struct device *dev = udc->dev;
        int retval = 0;
 
-       if (!udc)
-               return -EINVAL;
-
        spin_lock_init(&udc->lock);
 
        udc->gadget.ops          = &usb_gadget_ops;