test: check memory allocation for CRC

[ upstream commit 52aab95 ]

The rte_zmalloc is called in test_crc_calc without null pointer
check. This patch adds null pointer checks on return value of
rte_zmalloc.

Fixes: 9c77b84 ("test: add CRC computation")

Signed-off-by: Hongbo Zheng <zhenghongbo3@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

app/test/test_crc.c

@@ -80,6 +80,8 @@ test_crc_calc(void)
 
 	/* 32-bit ethernet CRC: Test 2 */
 	test_data = rte_zmalloc(NULL, CRC32_VEC_LEN1, 0);
+	if (test_data == NULL)
+		return -7;
 
 	for (i = 0; i < CRC32_VEC_LEN1; i += 12)
 		rte_memcpy(&test_data[i], crc32_vec1, 12);