From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dariusz Stojaczyk Subject: [PATCH 2/2] eal/thread: fix return codes for rte_ctrl_thread_create() Date: Fri, 8 Jun 2018 14:37:07 +0200 Message-ID: <1528461427-164113-2-git-send-email-dariuszx.stojaczyk@intel.com> References: <1528461427-164113-1-git-send-email-dariuszx.stojaczyk@intel.com> Cc: Dariusz Stojaczyk , olivier.matz@6wind.com, stable@dpdk.org To: dev@dpdk.org Return-path: In-Reply-To: <1528461427-164113-1-git-send-email-dariuszx.stojaczyk@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This function returned positive error numbers instead of negative ones as desbribed in the doc. What's worse, multiple of its callers only check for (rc < 0) to detect failure. It was incorrectly assumed that pthread_create and pthread_setaffinity_np return negative errnos. They always returns positive ones, so this patch negates their return values before returning. Fixes: 9e5afc72c909 ("eal: add function to create control threads") Cc: olivier.matz@6wind.com Cc: stable@dpdk.org Signed-off-by: Dariusz Stojaczyk --- lib/librte_eal/common/eal_common_thread.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/librte_eal/common/eal_common_thread.c b/lib/librte_eal/common/eal_common_thread.c index 8110ac2..48ef4d6 100644 --- a/lib/librte_eal/common/eal_common_thread.c +++ b/lib/librte_eal/common/eal_common_thread.c @@ -175,7 +175,7 @@ rte_ctrl_thread_create(pthread_t *thread, const char *name, params = malloc(sizeof(*params)); if (!params) - return -1; + return -ENOMEM; params->start_routine = start_routine; params->arg = arg; @@ -185,7 +185,7 @@ rte_ctrl_thread_create(pthread_t *thread, const char *name, ret = pthread_create(thread, attr, rte_thread_init, (void *)params); if (ret != 0) { free(params); - return ret; + return -ret; } if (name != NULL) { @@ -228,5 +228,5 @@ rte_ctrl_thread_create(pthread_t *thread, const char *name, } pthread_cancel(*thread); pthread_join(*thread, NULL); - return ret; + return -ret; } -- 2.7.4