From: Tyler Retzlaff <roret...@linux.microsoft.com>

MSVC does not support VLAs, replace VLAs with standard C arrays
or alloca(). alloca() is available for all toolchain/platform
combinations officially supported by DPDK.

Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
Acked-by: Chengwen Feng <fengcheng...@huawei.com>
---
 app/test/test.c                       |  2 +-
 app/test/test_cmdline_string.c        |  2 +-
 app/test/test_cryptodev.c             | 34 +++++++++----------
 app/test/test_cryptodev_blockcipher.c |  4 +--
 app/test/test_cryptodev_crosscheck.c  |  2 +-
 app/test/test_dmadev.c                |  9 +++--
 app/test/test_hash.c                  | 14 ++++----
 app/test/test_mempool.c               | 25 +++++++-------
 app/test/test_reorder.c               | 48 +++++++++++++++------------
 app/test/test_service_cores.c         |  9 +++--
 app/test/test_thash.c                 |  7 ++--
 11 files changed, 82 insertions(+), 74 deletions(-)

diff --git a/app/test/test.c b/app/test/test.c
index 680351f6a3..fd653cbbfd 100644
--- a/app/test/test.c
+++ b/app/test/test.c
@@ -105,7 +105,7 @@ int
 main(int argc, char **argv)
 {
        struct cmdline *cl;
-       char *tests[argc]; /* store an array of tests to run */
+       char **tests = alloca(sizeof(char *) * argc); /* store an array of 
tests to run */
        int test_count = 0;
        int i;
        char *extra_args;
diff --git a/app/test/test_cmdline_string.c b/app/test/test_cmdline_string.c
index 97516c9400..e1cf86020f 100644
--- a/app/test/test_cmdline_string.c
+++ b/app/test/test_cmdline_string.c
@@ -40,7 +40,7 @@ struct string_elt_str string_elt_strs[] = {
 #if (CMDLINE_TEST_BUFSIZE < STR_TOKEN_SIZE) \
 || (CMDLINE_TEST_BUFSIZE < STR_MULTI_TOKEN_SIZE)
 #undef CMDLINE_TEST_BUFSIZE
-#define CMDLINE_TEST_BUFSIZE RTE_MAX(STR_TOKEN_SIZE, STR_MULTI_TOKEN_SIZE)
+#define CMDLINE_TEST_BUFSIZE RTE_MAX_T(STR_TOKEN_SIZE, STR_MULTI_TOKEN_SIZE, 
size_t)
 #endif
 
 struct string_nb_str {
diff --git a/app/test/test_cryptodev.c b/app/test/test_cryptodev.c
index 7cddb1517c..441ecc6ad5 100644
--- a/app/test/test_cryptodev.c
+++ b/app/test/test_cryptodev.c
@@ -2886,7 +2886,7 @@ create_wireless_algo_hash_session(uint8_t dev_id,
        enum rte_crypto_auth_operation op,
        enum rte_crypto_auth_algorithm algo)
 {
-       uint8_t hash_key[key_len];
+       uint8_t *hash_key = alloca(key_len);
 
        struct crypto_testsuite_params *ts_params = &testsuite_params;
        struct crypto_unittest_params *ut_params = &unittest_params;
@@ -2922,7 +2922,7 @@ create_wireless_algo_cipher_session(uint8_t dev_id,
                        const uint8_t *key, const uint8_t key_len,
                        uint8_t iv_len)
 {
-       uint8_t cipher_key[key_len];
+       uint8_t *cipher_key = alloca(key_len);
        struct crypto_testsuite_params *ts_params = &testsuite_params;
        struct crypto_unittest_params *ut_params = &unittest_params;
 
@@ -3074,7 +3074,7 @@ create_wireless_cipher_auth_session(uint8_t dev_id,
                const struct wireless_test_data *tdata)
 {
        const uint8_t key_len = tdata->key.len;
-       uint8_t cipher_auth_key[key_len];
+       uint8_t *cipher_auth_key = alloca(key_len);
 
        struct crypto_testsuite_params *ts_params = &testsuite_params;
        struct crypto_unittest_params *ut_params = &unittest_params;
@@ -9078,7 +9078,7 @@ create_aead_session(uint8_t dev_id, enum 
rte_crypto_aead_algorithm algo,
                const uint16_t aad_len, const uint8_t auth_len,
                uint8_t iv_len)
 {
-       uint8_t aead_key[key_len];
+       uint8_t *aead_key = alloca(key_len);
 
        struct crypto_testsuite_params *ts_params = &testsuite_params;
        struct crypto_unittest_params *ut_params = &unittest_params;
@@ -12989,7 +12989,7 @@ test_cryptodev_error_recover_helper(uint8_t dev_id, 
const void *test_data, bool
        struct crypto_testsuite_params *ts_params = &testsuite_params;
        struct crypto_unittest_params *ut_params = &unittest_params;
        const struct blockcipher_test_data *tdata = test_data;
-       uint8_t cipher_key[tdata->cipher_key.len];
+       uint8_t *cipher_key = alloca(tdata->cipher_key.len);
        struct rte_crypto_sym_op *sym_op = NULL;
        struct rte_crypto_op *op = NULL;
        char *dst;
@@ -13345,7 +13345,7 @@ static int
 test_AES_GCM_auth_encryption_fail_aad_corrupt(void)
 {
        struct aead_test_data tdata;
-       uint8_t aad[gcm_test_case_7.aad.len];
+       uint8_t *aad = alloca(gcm_test_case_7.aad.len);
        int res;
 
        RTE_LOG(INFO, USER1, "This is a negative test, errors are expected\n");
@@ -13734,7 +13734,7 @@ static int
 test_AES_GCM_auth_decryption_fail_aad_corrupt(void)
 {
        struct aead_test_data tdata;
-       uint8_t aad[gcm_test_case_7.aad.len];
+       uint8_t *aad = alloca(gcm_test_case_7.aad.len);
        int res;
 
        memcpy(&tdata, &gcm_test_case_7, sizeof(struct aead_test_data));
@@ -13986,7 +13986,7 @@ test_authenticated_encryption_sessionless(
        int retval;
        uint8_t *ciphertext, *auth_tag;
        uint16_t plaintext_pad_len;
-       uint8_t key[tdata->key.len + 1];
+       uint8_t *key = alloca(tdata->key.len + 1);
        struct rte_cryptodev_info dev_info;
 
        rte_cryptodev_info_get(ts_params->valid_devs[0], &dev_info);
@@ -14088,7 +14088,7 @@ test_authenticated_decryption_sessionless(
 
        int retval;
        uint8_t *plaintext;
-       uint8_t key[tdata->key.len + 1];
+       uint8_t *key = alloca(tdata->key.len + 1);
        struct rte_cryptodev_info dev_info;
 
        rte_cryptodev_info_get(ts_params->valid_devs[0], &dev_info);
@@ -15495,7 +15495,7 @@ static int create_gmac_session(uint8_t dev_id,
                const struct gmac_test_data *tdata,
                enum rte_crypto_auth_operation auth_op)
 {
-       uint8_t auth_key[tdata->key.len];
+       uint8_t *auth_key = alloca(tdata->key.len);
 
        struct crypto_testsuite_params *ts_params = &testsuite_params;
        struct crypto_unittest_params *ut_params = &unittest_params;
@@ -16152,7 +16152,7 @@ create_auth_session(struct crypto_unittest_params 
*ut_params,
                enum rte_crypto_auth_operation auth_op)
 {
        struct crypto_testsuite_params *ts_params = &testsuite_params;
-       uint8_t auth_key[reference->auth_key.len + 1];
+       uint8_t *auth_key = alloca(reference->auth_key.len + 1);
 
        memcpy(auth_key, reference->auth_key.data, reference->auth_key.len);
 
@@ -16184,8 +16184,8 @@ create_auth_cipher_session(struct 
crypto_unittest_params *ut_params,
                enum rte_crypto_cipher_operation cipher_op)
 {
        struct crypto_testsuite_params *ts_params = &testsuite_params;
-       uint8_t cipher_key[reference->cipher_key.len + 1];
-       uint8_t auth_key[reference->auth_key.len + 1];
+       uint8_t *cipher_key = alloca(reference->cipher_key.len + 1);
+       uint8_t *auth_key = alloca(reference->auth_key.len + 1);
 
        memcpy(cipher_key, reference->cipher_key.data,
                        reference->cipher_key.len);
@@ -16686,8 +16686,8 @@ test_authenticated_encrypt_with_esn(
 
        uint8_t *authciphertext, *plaintext, *auth_tag;
        uint16_t plaintext_pad_len;
-       uint8_t cipher_key[reference->cipher_key.len + 1];
-       uint8_t auth_key[reference->auth_key.len + 1];
+       uint8_t *cipher_key = alloca(reference->cipher_key.len + 1);
+       uint8_t *auth_key = alloca(reference->auth_key.len + 1);
        struct rte_cryptodev_info dev_info;
 
        rte_cryptodev_info_get(ts_params->valid_devs[0], &dev_info);
@@ -16818,8 +16818,8 @@ test_authenticated_decrypt_with_esn(
        int retval;
 
        uint8_t *ciphertext;
-       uint8_t cipher_key[reference->cipher_key.len + 1];
-       uint8_t auth_key[reference->auth_key.len + 1];
+       uint8_t *cipher_key = alloca(reference->cipher_key.len + 1);
+       uint8_t *auth_key = alloca(reference->auth_key.len + 1);
        struct rte_cryptodev_info dev_info;
 
        rte_cryptodev_info_get(ts_params->valid_devs[0], &dev_info);
diff --git a/app/test/test_cryptodev_blockcipher.c 
b/app/test/test_cryptodev_blockcipher.c
index 8e13cdfc7a..5a124bbb5e 100644
--- a/app/test/test_cryptodev_blockcipher.c
+++ b/app/test/test_cryptodev_blockcipher.c
@@ -85,8 +85,8 @@ test_blockcipher_one_case(const struct blockcipher_test_case 
*t,
 
        int status = TEST_SUCCESS;
        const struct blockcipher_test_data *tdata = t->test_data;
-       uint8_t cipher_key[tdata->cipher_key.len];
-       uint8_t auth_key[tdata->auth_key.len];
+       uint8_t *cipher_key = alloca(tdata->cipher_key.len);
+       uint8_t *auth_key = alloca(tdata->auth_key.len);
        uint32_t buf_len = tdata->ciphertext.len;
        uint32_t digest_len = tdata->digest.len;
        char *buf_p = NULL;
diff --git a/app/test/test_cryptodev_crosscheck.c 
b/app/test/test_cryptodev_crosscheck.c
index c29b19cf6b..b9a53a430c 100644
--- a/app/test/test_cryptodev_crosscheck.c
+++ b/app/test/test_cryptodev_crosscheck.c
@@ -894,7 +894,7 @@ static int
 crosscheck_with_profile_run(const struct crosscheck_test_profile *profile)
 {
        struct crosscheck_testsuite_params *ts_params = &testsuite_params;
-       uint8_t input_text[profile->input_buf_len];
+       uint8_t *input_text = alloca(profile->input_buf_len);
        uint16_t output_len, encrypted_len;
        uint8_t encrypted_text[MBUF_SIZE];
        uint8_t output_text[MBUF_SIZE];
diff --git a/app/test/test_dmadev.c b/app/test/test_dmadev.c
index 143e1bcd68..9cbb9a6552 100644
--- a/app/test/test_dmadev.c
+++ b/app/test/test_dmadev.c
@@ -417,9 +417,12 @@ test_enqueue_sg_copies(int16_t dev_id, uint16_t vchan)
                        dst_len = len / n_dst;
                        src_len = len / n_src;
 
-                       struct rte_dma_sge sg_src[n_sge], sg_dst[n_sge];
-                       struct rte_mbuf *src[n_sge], *dst[n_sge];
-                       char *src_data[n_sge], *dst_data[n_sge];
+                       struct rte_dma_sge *sg_src = alloca(sizeof(struct 
rte_dma_sge) * n_sge);
+                       struct rte_dma_sge *sg_dst = alloca(sizeof(struct 
rte_dma_sge) * n_sge);
+                       struct rte_mbuf **src = alloca(sizeof(struct rte_mbuf 
*) * n_sge);
+                       struct rte_mbuf **dst = alloca(sizeof(struct rte_mbuf 
*) * n_sge);
+                       char **src_data = alloca(sizeof(char *) * n_sge);
+                       char **dst_data = alloca(sizeof(char *) * n_sge);
 
                        for (i = 0 ; i < len; i++)
                                orig_src[i] = rte_rand() & 0xFF;
diff --git a/app/test/test_hash.c b/app/test/test_hash.c
index 6b5ef2d1e5..5791fd7f4c 100644
--- a/app/test/test_hash.c
+++ b/app/test/test_hash.c
@@ -1947,6 +1947,8 @@ test_hash_rcu_qsbr_add(void)
        return 0;
 }
 
+#define HASH_RCU_QSBR_MAX_TOTAL_ENTRIES 9
+
 /*
  * rte_hash_rcu_qsbr_add DQ mode functional test.
  * Reader and writer are in the same thread in this test.
@@ -1966,7 +1968,7 @@ test_hash_rcu_qsbr_add(void)
 static int
 test_hash_rcu_qsbr_dq_mode(uint8_t ext_bkt)
 {
-       uint32_t total_entries = (ext_bkt == 0) ? 8 : 9;
+       const uint32_t total_entries = (ext_bkt == 0) ? 8 : 
HASH_RCU_QSBR_MAX_TOTAL_ENTRIES;
 
        uint8_t hash_extra_flag = RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF;
 
@@ -1982,8 +1984,8 @@ test_hash_rcu_qsbr_dq_mode(uint8_t ext_bkt)
                .socket_id = 0,
                .extra_flag = hash_extra_flag,
        };
-       int pos[total_entries];
-       int expected_pos[total_entries];
+       int pos[HASH_RCU_QSBR_MAX_TOTAL_ENTRIES];
+       int expected_pos[HASH_RCU_QSBR_MAX_TOTAL_ENTRIES];
        unsigned int i;
        size_t sz;
        int32_t status;
@@ -2136,7 +2138,7 @@ test_hash_rcu_qsbr_reader(void *arg)
 static int
 test_hash_rcu_qsbr_sync_mode(uint8_t ext_bkt)
 {
-       uint32_t total_entries = (ext_bkt == 0) ? 8 : 9;
+       const uint32_t total_entries = (ext_bkt == 0) ? 8 : 
HASH_RCU_QSBR_MAX_TOTAL_ENTRIES;
 
        uint8_t hash_extra_flag = RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF;
 
@@ -2152,8 +2154,8 @@ test_hash_rcu_qsbr_sync_mode(uint8_t ext_bkt)
                .socket_id = 0,
                .extra_flag = hash_extra_flag,
        };
-       int pos[total_entries];
-       int expected_pos[total_entries];
+       int pos[HASH_RCU_QSBR_MAX_TOTAL_ENTRIES];
+       int expected_pos[HASH_RCU_QSBR_MAX_TOTAL_ENTRIES];
        unsigned int i;
        size_t sz;
        int32_t status;
diff --git a/app/test/test_mempool.c b/app/test/test_mempool.c
index 3f7ba5872d..61385e096e 100644
--- a/app/test/test_mempool.c
+++ b/app/test/test_mempool.c
@@ -515,19 +515,20 @@ test_mempool_events(int (*populate)(struct rte_mempool 
*mp))
 #undef RTE_TEST_TRACE_FAILURE
 #define RTE_TEST_TRACE_FAILURE(...) do { goto fail; } while (0)
 
-       static const size_t callback_num = 3;
-       static const size_t mempool_num = 2;
+#define CALLBACK_NUM 3u
+#define MEMPOOL_NUM 2u
+
        static const unsigned int mempool_elt_size = 64;
        static const unsigned int mempool_size = 64;
 
-       struct test_mempool_events_data data[callback_num];
-       struct rte_mempool *mp[mempool_num], *freed;
+       struct test_mempool_events_data data[CALLBACK_NUM];
+       struct rte_mempool *mp[MEMPOOL_NUM], *freed;
        char name[RTE_MEMPOOL_NAMESIZE];
        size_t i, j;
        int ret;
 
        memset(mp, 0, sizeof(mp));
-       for (i = 0; i < callback_num; i++) {
+       for (i = 0; i < CALLBACK_NUM; i++) {
                ret = rte_mempool_event_callback_register
                                (test_mempool_events_cb, &data[i]);
                RTE_TEST_ASSERT_EQUAL(ret, 0, "Failed to register the callback 
%zu: %s",
@@ -548,7 +549,7 @@ test_mempool_events(int (*populate)(struct rte_mempool *mp))
                                         SOCKET_ID_ANY, 0);
        RTE_TEST_ASSERT_NOT_NULL(mp[0], "Cannot create mempool %s: %s",
                                 name, rte_strerror(rte_errno));
-       for (j = 0; j < callback_num; j++)
+       for (j = 0; j < CALLBACK_NUM; j++)
                RTE_TEST_ASSERT_EQUAL(data[j].invoked, false,
                                      "Callback %zu invoked on %s mempool 
creation",
                                      j, name);
@@ -557,7 +558,7 @@ test_mempool_events(int (*populate)(struct rte_mempool *mp))
        ret = populate(mp[0]);
        RTE_TEST_ASSERT_EQUAL(ret, (int)mp[0]->size, "Failed to populate 
mempool %s: %s",
                              name, rte_strerror(-ret));
-       for (j = 0; j < callback_num; j++) {
+       for (j = 0; j < CALLBACK_NUM; j++) {
                RTE_TEST_ASSERT_EQUAL(data[j].invoked, true,
                                        "Callback %zu not invoked on mempool %s 
population",
                                        j, name);
@@ -589,7 +590,7 @@ test_mempool_events(int (*populate)(struct rte_mempool *mp))
                              "Unregistered callback 0 invoked on %s mempool 
populaton",
                              name);
 
-       for (i = 0; i < mempool_num; i++) {
+       for (i = 0; i < MEMPOOL_NUM; i++) {
                memset(&data, 0, sizeof(data));
                sprintf(name, "empty%zu", i);
                rte_mempool_free(mp[i]);
@@ -599,7 +600,7 @@ test_mempool_events(int (*populate)(struct rte_mempool *mp))
                 */
                freed = mp[i];
                mp[i] = NULL;
-               for (j = 1; j < callback_num; j++) {
+               for (j = 1; j < CALLBACK_NUM; j++) {
                        RTE_TEST_ASSERT_EQUAL(data[j].invoked, true,
                                              "Callback %zu not invoked on 
mempool %s destruction",
                                              j, name);
@@ -615,7 +616,7 @@ test_mempool_events(int (*populate)(struct rte_mempool *mp))
                                      name);
        }
 
-       for (j = 1; j < callback_num; j++) {
+       for (j = 1; j < CALLBACK_NUM; j++) {
                ret = rte_mempool_event_callback_unregister
                                        (test_mempool_events_cb, &data[j]);
                RTE_TEST_ASSERT_EQUAL(ret, 0, "Failed to unregister the 
callback %zu: %s",
@@ -624,10 +625,10 @@ test_mempool_events(int (*populate)(struct rte_mempool 
*mp))
        return TEST_SUCCESS;
 
 fail:
-       for (j = 0; j < callback_num; j++)
+       for (j = 0; j < CALLBACK_NUM; j++)
                rte_mempool_event_callback_unregister
                                        (test_mempool_events_cb, &data[j]);
-       for (i = 0; i < mempool_num; i++)
+       for (i = 0; i < MEMPOOL_NUM; i++)
                rte_mempool_free(mp[i]);
        return TEST_FAILED;
 
diff --git a/app/test/test_reorder.c b/app/test/test_reorder.c
index 501780cb26..aaa2c57086 100644
--- a/app/test/test_reorder.c
+++ b/app/test/test_reorder.c
@@ -130,11 +130,12 @@ test_reorder_free(void)
 static int
 test_reorder_insert(void)
 {
+#define INSERT_NUM_BUFS 7u
+
        struct rte_reorder_buffer *b = NULL;
        struct rte_mempool *p = test_params->p;
        const unsigned int size = 4;
-       const unsigned int num_bufs = 7;
-       struct rte_mbuf *bufs[num_bufs];
+       struct rte_mbuf *bufs[INSERT_NUM_BUFS];
        int ret = 0;
        unsigned i;
 
@@ -146,7 +147,7 @@ test_reorder_insert(void)
        b = rte_reorder_create("test_insert", rte_socket_id(), size);
        TEST_ASSERT_NOT_NULL(b, "Failed to create reorder buffer");
 
-       for (i = 0; i < num_bufs; i++) {
+       for (i = 0; i < INSERT_NUM_BUFS; i++) {
                bufs[i] = rte_pktmbuf_alloc(p);
                TEST_ASSERT_NOT_NULL(bufs[i], "Packet allocation failed\n");
                *rte_reorder_seqn(bufs[i]) = i;
@@ -207,26 +208,27 @@ test_reorder_insert(void)
        ret = 0;
 exit:
        rte_reorder_free(b);
-       for (i = 0; i < num_bufs; i++) {
+       for (i = 0; i < INSERT_NUM_BUFS; i++)
                rte_pktmbuf_free(bufs[i]);
-       }
+
        return ret;
 }
 
 static int
 test_reorder_drain(void)
 {
+#define DRAIN_NUM_BUFS 8u
+
        struct rte_reorder_buffer *b = NULL;
        struct rte_mempool *p = test_params->p;
        const unsigned int size = 4;
-       const unsigned int num_bufs = 8;
-       struct rte_mbuf *bufs[num_bufs];
-       struct rte_mbuf *robufs[num_bufs];
+       struct rte_mbuf *bufs[DRAIN_NUM_BUFS];
+       struct rte_mbuf *robufs[DRAIN_NUM_BUFS];
        int ret = 0;
        unsigned i, cnt;
 
        /* initialize all robufs to NULL */
-       for (i = 0; i < num_bufs; i++)
+       for (i = 0; i < DRAIN_NUM_BUFS; i++)
                robufs[i] = NULL;
 
        /* This would create a reorder buffer instance consisting of:
@@ -246,7 +248,7 @@ test_reorder_drain(void)
                goto exit;
        }
 
-       for (i = 0; i < num_bufs; i++) {
+       for (i = 0; i < DRAIN_NUM_BUFS; i++) {
                bufs[i] = rte_pktmbuf_alloc(p);
                TEST_ASSERT_NOT_NULL(bufs[i], "Packet allocation failed\n");
                *rte_reorder_seqn(bufs[i]) = i;
@@ -320,7 +322,7 @@ test_reorder_drain(void)
        ret = 0;
 exit:
        rte_reorder_free(b);
-       for (i = 0; i < num_bufs; i++) {
+       for (i = 0; i < DRAIN_NUM_BUFS; i++) {
                rte_pktmbuf_free(bufs[i]);
                rte_pktmbuf_free(robufs[i]);
        }
@@ -337,15 +339,16 @@ buffer_to_reorder_move(struct rte_mbuf **mbuf, struct 
rte_reorder_buffer *b)
 static int
 test_reorder_drain_up_to_seqn(void)
 {
+#define DRAIN_TO_NUM_BUFS 10u
+
        struct rte_mempool *p = test_params->p;
        struct rte_reorder_buffer *b = NULL;
-       const unsigned int num_bufs = 10;
        const unsigned int size = 4;
        unsigned int i, cnt;
        int ret = 0;
 
-       struct rte_mbuf *bufs[num_bufs];
-       struct rte_mbuf *robufs[num_bufs];
+       struct rte_mbuf *bufs[DRAIN_TO_NUM_BUFS];
+       struct rte_mbuf *robufs[DRAIN_TO_NUM_BUFS];
 
        /* initialize all robufs to NULL */
        memset(robufs, 0, sizeof(robufs));
@@ -358,7 +361,7 @@ test_reorder_drain_up_to_seqn(void)
        b = rte_reorder_create("test_drain_up_to_seqn", rte_socket_id(), size);
        TEST_ASSERT_NOT_NULL(b, "Failed to create reorder buffer");
 
-       for (i = 0; i < num_bufs; i++) {
+       for (i = 0; i < DRAIN_TO_NUM_BUFS; i++) {
                bufs[i] = rte_pktmbuf_alloc(p);
                TEST_ASSERT_NOT_NULL(bufs[i], "Packet allocation failed\n");
                *rte_reorder_seqn(bufs[i]) = i;
@@ -372,7 +375,7 @@ test_reorder_drain_up_to_seqn(void)
        buffer_to_reorder_move(&bufs[2], b);
        buffer_to_reorder_move(&bufs[3], b);
        /* Draining 1, 2 */
-       cnt = rte_reorder_drain_up_to_seqn(b, robufs, num_bufs, 3);
+       cnt = rte_reorder_drain_up_to_seqn(b, robufs, DRAIN_TO_NUM_BUFS, 3);
        if (cnt != 2) {
                printf("%s:%d:%d: number of expected packets not drained\n",
                                __func__, __LINE__, cnt);
@@ -396,7 +399,7 @@ test_reorder_drain_up_to_seqn(void)
        buffer_to_reorder_move(&bufs[8], b);
 
        /* Drain 3 and 5 */
-       cnt = rte_reorder_drain_up_to_seqn(b, robufs, num_bufs, 6);
+       cnt = rte_reorder_drain_up_to_seqn(b, robufs, DRAIN_TO_NUM_BUFS, 6);
        if (cnt != 2) {
                printf("%s:%d:%d: number of expected packets not drained\n",
                                __func__, __LINE__, cnt);
@@ -410,7 +413,7 @@ test_reorder_drain_up_to_seqn(void)
        ret = 0;
 exit:
        rte_reorder_free(b);
-       for (i = 0; i < num_bufs; i++) {
+       for (i = 0; i < DRAIN_TO_NUM_BUFS; i++) {
                rte_pktmbuf_free(bufs[i]);
                rte_pktmbuf_free(robufs[i]);
        }
@@ -420,14 +423,15 @@ test_reorder_drain_up_to_seqn(void)
 static int
 test_reorder_set_seqn(void)
 {
+#define SET_SEQN_NUM_BUFS 7u
+
        struct rte_mempool *p = test_params->p;
        struct rte_reorder_buffer *b = NULL;
-       const unsigned int num_bufs = 7;
        const unsigned int size = 4;
        unsigned int i;
        int ret = 0;
 
-       struct rte_mbuf *bufs[num_bufs];
+       struct rte_mbuf *bufs[SET_SEQN_NUM_BUFS];
 
        /* This would create a reorder buffer instance consisting of:
         * reorder_seq = 0
@@ -437,7 +441,7 @@ test_reorder_set_seqn(void)
        b = rte_reorder_create("test_min_seqn_set", rte_socket_id(), size);
        TEST_ASSERT_NOT_NULL(b, "Failed to create reorder buffer");
 
-       for (i = 0; i < num_bufs; i++) {
+       for (i = 0; i < SET_SEQN_NUM_BUFS; i++) {
                bufs[i] = rte_pktmbuf_alloc(p);
                if (bufs[i] == NULL) {
                        printf("Packet allocation failed\n");
@@ -479,7 +483,7 @@ test_reorder_set_seqn(void)
        ret = 0;
 exit:
        rte_reorder_free(b);
-       for (i = 0; i < num_bufs; i++)
+       for (i = 0; i < SET_SEQN_NUM_BUFS; i++)
                rte_pktmbuf_free(bufs[i]);
 
        return ret;
diff --git a/app/test/test_service_cores.c b/app/test/test_service_cores.c
index 46ed9a1868..d95a71f80b 100644
--- a/app/test/test_service_cores.c
+++ b/app/test/test_service_cores.c
@@ -603,9 +603,8 @@ service_lcore_add_del(void)
                        "Service core count not equal to one");
 
        /* retrieve core list, checking lcore ids */
-       const uint32_t size = 4;
-       uint32_t service_core_ids[size];
-       int32_t n = rte_service_lcore_list(service_core_ids, size);
+       uint32_t service_core_ids[4];
+       int32_t n = rte_service_lcore_list(service_core_ids, 
RTE_DIM(service_core_ids));
        TEST_ASSERT_EQUAL(1, n, "Service core list return should equal 1");
        TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
                                "Service core list lcore must equal slcore_id");
@@ -631,7 +630,7 @@ service_lcore_add_del(void)
                        cores_at_this_point);
 
        /* check longer service core list */
-       n = rte_service_lcore_list(service_core_ids, size);
+       n = rte_service_lcore_list(service_core_ids, RTE_DIM(service_core_ids));
        TEST_ASSERT_EQUAL(3, n, "Service core list return should equal 3");
        TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
                                "Service core list[0] lcore must equal 1");
@@ -649,7 +648,7 @@ service_lcore_add_del(void)
                        "Service core add did not return zero");
        TEST_ASSERT_EQUAL(1, rte_service_lcore_count(),
                        "Service core count not equal to one");
-       n = rte_service_lcore_list(service_core_ids, size);
+       n = rte_service_lcore_list(service_core_ids, RTE_DIM(service_core_ids));
        TEST_ASSERT_EQUAL(1, n, "Service core list return should equal one");
        TEST_ASSERT_EQUAL(slcore_id, service_core_ids[0],
                                "Service core list[0] lcore must equal %d",
diff --git a/app/test/test_thash.c b/app/test/test_thash.c
index b9c6e9118e..33b0c6adac 100644
--- a/app/test/test_thash.c
+++ b/app/test/test_thash.c
@@ -565,9 +565,8 @@ test_predictable_rss_min_seq(void)
 {
        struct rte_thash_ctx *ctx;
        struct rte_thash_subtuple_helper *h;
-       const int key_len = 40;
        int reta_sz = 6;
-       uint8_t initial_key[key_len];
+       uint8_t initial_key[40];
        const uint8_t *new_key;
        int ret;
        union rte_thash_tuple tuple;
@@ -575,9 +574,9 @@ test_predictable_rss_min_seq(void)
        unsigned int desired_value = 27 & HASH_MSK(reta_sz);
        uint16_t port_value = 22;
 
-       memset(initial_key, 0, key_len);
+       memset(initial_key, 0, RTE_DIM(initial_key));
 
-       ctx = rte_thash_init_ctx("test", key_len, reta_sz, initial_key,
+       ctx = rte_thash_init_ctx("test", RTE_DIM(initial_key), reta_sz, 
initial_key,
                RTE_THASH_MINIMAL_SEQ);
        RTE_TEST_ASSERT(ctx != NULL, "can not create thash ctx\n");
 
-- 
2.47.2.vfs.0.1

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