coresight: Remove redundant null pointer check before of_node_put and put_device

of_node_put and put_device has taken the null pointer check into account.
So it is safe to remove the duplicated check.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/hwtracing/coresight/of_coresight.c

@@ -219,11 +219,8 @@ static int of_coresight_parse_endpoint(struct device *dev,
 		ret = 1;
 	} while (0);
 
-	if (rparent)
 	of_node_put(rparent);
-	if (rep)
 	of_node_put(rep);
-	if (rdev)
 	put_device(rdev);
 
 	return ret;