[dpdk-dev] [PATCH 1/1] eal: return true or false from lcore role check function

Erik Gabriel Carrillo erik.g.carrillo at intel.com
Wed Jan 3 19:43:35 CET 2018


Update rte_lcore_has_role() so that it returns true/false instead of
success/failure.

Fixes: 78666372fa2b ("eal: add function to check lcore role")

Signed-off-by: Erik Gabriel Carrillo <erik.g.carrillo at intel.com>
---
 lib/librte_eal/common/eal_common_thread.c | 5 +----
 lib/librte_eal/common/include/rte_lcore.h | 2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_thread.c b/lib/librte_eal/common/eal_common_thread.c
index 55e9696..28ee6d0 100644
--- a/lib/librte_eal/common/eal_common_thread.c
+++ b/lib/librte_eal/common/eal_common_thread.c
@@ -59,12 +59,9 @@ rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role)
 	struct rte_config *cfg = rte_eal_get_configuration();
 
 	if (lcore_id >= RTE_MAX_LCORE)
-		return -EINVAL;
-
-	if (cfg->lcore_role[lcore_id] == role)
 		return 0;
 
-	return -EINVAL;
+	return cfg->lcore_role[lcore_id] == role;
 }
 
 int eal_cpuset_socket_id(rte_cpuset_t *cpusetp)
diff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h
index c89e6ba..fba04f1 100644
--- a/lib/librte_eal/common/include/rte_lcore.h
+++ b/lib/librte_eal/common/include/rte_lcore.h
@@ -271,7 +271,7 @@ int rte_thread_setname(pthread_t id, const char *name);
  * @param role
  *   The role to be checked against.
  * @return
- *   On success, return 0; otherwise return a negative value.
+ *   True if the given core has the specified role; false otherwise.
  */
 int
 rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role);
-- 
2.6.4



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