raw/skeleton: add missing check after setting attribute

[ upstream commit b970128 ]

This patch adds return value check for setting an attribute.

Fixes: 88a81bc ("raw/skeleton: remove compile-time constant for device id")

Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

drivers/raw/skeleton/skeleton_rawdev_test.c

@@ -291,6 +291,7 @@ test_rawdev_attr_set_get(void)
 	dummy_value = &set_value;
 	*dummy_value = 200;
 	ret = rte_rawdev_set_attr(test_dev_id, "Test2", (uintptr_t)dummy_value);
+	RTE_TEST_ASSERT(!ret, "Unable to set an attribute (Test2)");
 
 	/* Check if attributes have been set */
 	ret = rte_rawdev_get_attr(test_dev_id, "Test1", &ret_value);