staging: vc04_services: bcm2835-camera: Modify return statement.

Modify return statement and remove the respective assignment.

Issue found by Coccinelle.
Signed-off-by: Vatsala Narang <vatsalanarang@gmail.com>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-camera/controls.c

@@ -270,11 +270,9 @@ static int ctrl_set_rotate(struct bm2835_mmal_dev *dev,
 	if (ret < 0)
 		return ret;
 
-	ret = vchiq_mmal_port_parameter_set(dev->instance, &camera->output[2],
+	return vchiq_mmal_port_parameter_set(dev->instance, &camera->output[2],
 					    mmal_ctrl->mmal_id,
 					    &u32_value, sizeof(u32_value));
-
-	return ret;
 }
 
 static int ctrl_set_flip(struct bm2835_mmal_dev *dev,
@@ -313,11 +311,9 @@ static int ctrl_set_flip(struct bm2835_mmal_dev *dev,
 	if (ret < 0)
 		return ret;
 
-	ret = vchiq_mmal_port_parameter_set(dev->instance, &camera->output[2],
+	return vchiq_mmal_port_parameter_set(dev->instance, &camera->output[2],
 					    mmal_ctrl->mmal_id,
 					    &u32_value, sizeof(u32_value));
-
-	return ret;
 }
 
 static int ctrl_set_exposure(struct bm2835_mmal_dev *dev,