examples/l2fwd-crypto: fix uninitialized errno value

[dpdk.git] / examples / l2fwd-crypto / main.c

diff --git a/examples/l2fwd-crypto/main.c b/examples/l2fwd-crypto/main.c
index 83446f3..17673a3 100644 (file)
--- a/examples/l2fwd-crypto/main.c
+++ b/examples/l2fwd-crypto/main.c
@@ -662,7 +662,12 @@ initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 {
        struct rte_crypto_sym_xform *first_xform;
        struct rte_cryptodev_sym_session *session;
-       uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
+       int retval = rte_cryptodev_socket_id(cdev_id);
+
+       if (retval < 0)
+               return NULL;
+
+       uint8_t socket_id = (uint8_t) retval;
        struct rte_mempool *sess_mp = session_pool_socket[socket_id];
 
        if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
@@ -1083,6 +1088,7 @@ parse_key(uint8_t *data, char *input_arg)
        unsigned byte_count;
        char *token;
 
+       errno = 0;
        for (byte_count = 0, token = strtok(input_arg, ":");
                        (byte_count < MAX_KEY_SIZE) && (token != NULL);
                        token = strtok(NULL, ":")) {
@@ -1996,7 +2002,14 @@ initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
                        cdev_id++) {
                struct rte_cryptodev_qp_conf qp_conf;
                struct rte_cryptodev_info dev_info;
-               uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
+               retval = rte_cryptodev_socket_id(cdev_id);
+
+               if (retval < 0) {
+                       printf("Invalid crypto device id used\n");
+                       return -1;
+               }
+
+               uint8_t socket_id = (uint8_t) retval;
 
                struct rte_cryptodev_config conf = {
                        .nb_queue_pairs = 1,