Fixes:issue4603

Signed-off-by: 10255046 <wu.shiwei@zte.com.cn>

Author: 10255046

xlators/mgmt/glusterd/src/glusterd-locks.c

@@ -495,6 +495,7 @@ glusterd_mgmt_v3_lock(const char *name, uuid_t uuid, uint32_t *op_errno,
     xlator_t *this = THIS;
     struct timespec delay = {0};
     char *key_dup = NULL;
+    int keylen;
 
     priv = this->private;
     GF_ASSERT(priv);
@@ -584,6 +585,8 @@ glusterd_mgmt_v3_lock(const char *name, uuid_t uuid, uint32_t *op_errno,
     if (ret) {
         gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED,
                "Unable to set timer in mgmt_v3 lock");
+        keylen = strlen(key_dup);
+        dict_deln(priv->mgmt_v3_lock, key_dup, keylen);
         GF_FREE(key_dup);
         GF_FREE(mgmt_lock_timer);
         goto out;