test: check memory allocation for CRC

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: 9c77b848b1c1 ("test: add CRC computation")
Cc: stable@dpdk.org
Signed-off-by: Hongbo Zheng <zhenghongbo3@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

diff --git a/app/test/test_crc.c b/app/test/test_crc.c
index 0ed080e48291acb3b4918788db2ff6bf407fdf88..5edc8fb13b38888505c530c427835dbe2222deda 100644 (file)
--- a/app/test/test_crc.c
+++ b/app/test/test_crc.c
@@ -79,6 +79,8 @@ 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);