staging: gdm72xx: compress return logic into one line

Simplify function returns by merging assignment and return into
one command line.
Found with Coccinelle
@@
expression e, ret;
@@

-ret =
+return
	e;
-return ret;
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gdm72xx/netlink_k.c

@@ -151,6 +151,5 @@ int netlink_send(struct sock *sock, int group, u16 type, void *msg, int len)
 		pr_err("netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
 		       group, type, len, ret);
 	}
-	ret = 0;
-	return ret;
+	return 0;
 }

drivers/staging/gdm72xx/usb_boot.c

@@ -357,7 +357,5 @@ int usb_emergency(struct usb_device *usbdev)
 		return ret;
 	dev_info(&usbdev->dev, "GCT Emergency: Filesystem download success.\n");
 
-	ret = em_fw_reset(usbdev);
-
-	return ret;
+	return em_fw_reset(usbdev);
 }