USB: speedtch.c: move assignment out of if () block

We should not be doing assignments within an if () block
so fix up the code to not do this.

change was created using Coccinelle.

CC: Duncan Sands <duncan.sands@free.fr>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/atm/speedtch.c

@@ -255,7 +255,8 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance,
 
 	usb_dbg(usbatm, "%s entered\n", __func__);
 
-	if (!(buffer = (unsigned char *)__get_free_page(GFP_KERNEL))) {
+	buffer = (unsigned char *)__get_free_page(GFP_KERNEL);
+	if (!buffer) {
 		ret = -ENOMEM;
 		usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__);
 		goto out;
@@ -638,7 +639,8 @@ static void speedtch_handle_int(struct urb *int_urb)
 		goto fail;
 	}
 
-	if ((int_urb = instance->int_urb)) {
+	int_urb = instance->int_urb;
+	if (int_urb) {
 		ret = usb_submit_urb(int_urb, GFP_ATOMIC);
 		schedule_work(&instance->status_check_work);
 		if (ret < 0) {
@@ -650,7 +652,8 @@ static void speedtch_handle_int(struct urb *int_urb)
 	return;
 
 fail:
-	if ((int_urb = instance->int_urb))
+	int_urb = instance->int_urb;
+	if (int_urb)
 		mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));
 }
 
@@ -759,11 +762,13 @@ static void speedtch_release_interfaces(struct usb_device *usb_dev,
 	struct usb_interface *cur_intf;
 	int i;
 
-	for (i = 0; i < num_interfaces; i++)
-		if ((cur_intf = usb_ifnum_to_if(usb_dev, i))) {
+	for (i = 0; i < num_interfaces; i++) {
+		cur_intf = usb_ifnum_to_if(usb_dev, i);
+		if (cur_intf) {
 			usb_set_intfdata(cur_intf, NULL);
 			usb_driver_release_interface(&speedtch_usb_driver, cur_intf);
 		}
+	}
 }
 
 static int speedtch_bind(struct usbatm_data *usbatm,
@@ -787,7 +792,8 @@ static int speedtch_bind(struct usbatm_data *usbatm,
 		return -ENODEV;
 	}
 
-	if (!(data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA))) {
+	data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA);
+	if (!data_intf) {
 		usb_err(usbatm, "%s: data interface not found!\n", __func__);
 		return -ENODEV;
 	}