ipc: replace bool checks with explicit non-zero

The function check_input() was returning a bool as error code.
It is changed to return an int, semantically more correct.
While at it, make checks of validate_action_name() return
explicit as described in the coding guidelines.

Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

diff --git a/lib/librte_eal/common/eal_common_proc.c b/lib/librte_eal/common/eal_common_proc.c
index d098803..d237286 100644 (file)
--- a/lib/librte_eal/common/eal_common_proc.c
+++ b/lib/librte_eal/common/eal_common_proc.c
@@ -202,7 +202,7 @@ rte_mp_action_register(const char *name, rte_mp_t action)
 {
        struct action_entry *entry;
 
-       if (validate_action_name(name))
+       if (validate_action_name(name) != 0)
                return -1;
 
        entry = malloc(sizeof(struct action_entry));
@@ -230,7 +230,7 @@ rte_mp_action_unregister(const char *name)
 {
        struct action_entry *entry;
 
-       if (validate_action_name(name))
+       if (validate_action_name(name) != 0)
                return;
 
        pthread_mutex_lock(&mp_mutex_action);
@@ -749,50 +749,50 @@ mp_send(struct rte_mp_msg *msg, const char *peer, int type)
        return ret;
 }
 
-static bool
+static int
 check_input(const struct rte_mp_msg *msg)
 {
        if (msg == NULL) {
                RTE_LOG(ERR, EAL, "Msg cannot be NULL\n");
                rte_errno = EINVAL;
-               return false;
+               return -1;
        }
 
-       if (validate_action_name(msg->name))
-               return false;
+       if (validate_action_name(msg->name) != 0)
+               return -1;
 
        if (msg->len_param < 0) {
                RTE_LOG(ERR, EAL, "Message data length is negative\n");
                rte_errno = EINVAL;
-               return false;
+               return -1;
        }
 
        if (msg->num_fds < 0) {
                RTE_LOG(ERR, EAL, "Number of fd's is negative\n");
                rte_errno = EINVAL;
-               return false;
+               return -1;
        }
 
        if (msg->len_param > RTE_MP_MAX_PARAM_LEN) {
                RTE_LOG(ERR, EAL, "Message data is too long\n");
                rte_errno = E2BIG;
-               return false;
+               return -1;
        }
 
        if (msg->num_fds > RTE_MP_MAX_FD_NUM) {
                RTE_LOG(ERR, EAL, "Cannot send more than %d FDs\n",
                        RTE_MP_MAX_FD_NUM);
                rte_errno = E2BIG;
-               return false;
+               return -1;
        }
 
-       return true;
+       return 0;
 }
 
 int __rte_experimental
 rte_mp_sendmsg(struct rte_mp_msg *msg)
 {
-       if (!check_input(msg))
+       if (check_input(msg) != 0)
                return -1;
 
        RTE_LOG(DEBUG, EAL, "sendmsg: %s\n", msg->name);
@@ -946,7 +946,7 @@ rte_mp_request_sync(struct rte_mp_msg *req, struct rte_mp_reply *reply,
        reply->nb_received = 0;
        reply->msgs = NULL;
 
-       if (check_input(req) == false)
+       if (check_input(req) != 0)
                goto err;
 
        if (internal_config.no_shconf) {
@@ -1040,7 +1040,7 @@ rte_mp_request_async(struct rte_mp_msg *req, const struct timespec *ts,
 
        RTE_LOG(DEBUG, EAL, "request: %s\n", req->name);
 
-       if (check_input(req) == false)
+       if (check_input(req) != 0)
                return -1;
 
        if (internal_config.no_shconf) {
@@ -1177,7 +1177,7 @@ rte_mp_reply(struct rte_mp_msg *msg, const char *peer)
 {
        RTE_LOG(DEBUG, EAL, "reply: %s\n", msg->name);
 
-       if (check_input(msg) == false)
+       if (check_input(msg) != 0)
                return -1;
 
        if (peer == NULL) {