lpm: fix allocation of an existing object

[dpdk.git] / lib / librte_lpm / rte_lpm.c

diff --git a/lib/librte_lpm/rte_lpm.c b/lib/librte_lpm/rte_lpm.c
index bd3563f..8bdf606 100644 (file)
--- a/lib/librte_lpm/rte_lpm.c
+++ b/lib/librte_lpm/rte_lpm.c
@@ -209,8 +209,11 @@ rte_lpm_create_v20(const char *name, int socket_id, int max_rules,
                if (strncmp(name, lpm->name, RTE_LPM_NAMESIZE) == 0)
                        break;
        }
-       if (te != NULL)
+       lpm = NULL;
+       if (te != NULL) {
+               rte_errno = EEXIST;
                goto exit;
+       }
 
        /* allocate tailq entry */
        te = rte_zmalloc("LPM_TAILQ_ENTRY", sizeof(*te), 0);
@@ -280,8 +283,11 @@ rte_lpm_create_v1604(const char *name, int socket_id,
                if (strncmp(name, lpm->name, RTE_LPM_NAMESIZE) == 0)
                        break;
        }
-       if (te != NULL)
+       lpm = NULL;
+       if (te != NULL) {
+               rte_errno = EEXIST;
                goto exit;
+       }
 
        /* allocate tailq entry */
        te = rte_zmalloc("LPM_TAILQ_ENTRY", sizeof(*te), 0);