pdump: fix error check when creating/canceling thread

On error, pthread_create() returns a positive number (an errno)
but does not set the errno variable.

Fixes: 278f945402c5 ("pdump: add new library for packet capture")
Cc: stable@dpdk.org
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: John McNamara <john.mcnamara@intel.com>

diff --git a/lib/librte_pdump/rte_pdump.c b/lib/librte_pdump/rte_pdump.c
index ba43d14..ec8a5d8 100644 (file)
--- a/lib/librte_pdump/rte_pdump.c
+++ b/lib/librte_pdump/rte_pdump.c
@@ -552,7 +552,7 @@ rte_pdump_init(const char *path)
        if (ret != 0) {
                RTE_LOG(ERR, PDUMP,
                        "Failed to create the pdump thread:%s, %s:%d\n",
-                       strerror(errno), __func__, __LINE__);
+                       strerror(ret), __func__, __LINE__);
                return -1;
        }
        /* Set thread_name for aid in debugging. */
@@ -575,7 +575,7 @@ rte_pdump_uninit(void)
        if (ret != 0) {
                RTE_LOG(ERR, PDUMP,
                        "Failed to cancel the pdump thread:%s, %s:%d\n",
-                       strerror(errno), __func__, __LINE__);
+                       strerror(ret), __func__, __LINE__);
                return -1;
        }