staging: bcm2835-camera: Refactored get_format function

Now, when the condition inside the for is fulfilled, I return the result,
instead of checking afterwards whether the counter has reached or not
the end of the list.
Signed-off-by: NNarcisa Ana Maria Vasile <narcisaanamaria12@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

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

@@ -229,13 +229,10 @@ static struct mmal_fmt *get_format(struct v4l2_format *f)
 	for (k = 0; k < ARRAY_SIZE(formats); k++) {
 		fmt = &formats[k];
 		if (fmt->fourcc == f->fmt.pix.pixelformat)
-			break;
+			return fmt;
 	}
 
-	if (k == ARRAY_SIZE(formats))
-		return NULL;
-
-	return &formats[k];
+	return NULL;
 }
 
 /* ------------------------------------------------------------------