components/bt: Fix abort if call esp_spp_deinit without calling esp_spp_init

components/bt/bluedroid/btc/profile/std/spp/btc_spp.c

@@ -315,6 +315,7 @@ static void btc_spp_init(btc_spp_args_t *arg)
 {
     if (osi_mutex_new(&spp_local_param.spp_slot_mutex) != 0) {
         BTC_TRACE_ERROR("%s osi_mutex_new failed\n", __func__);
+        return;
     }
     spp_local_param.spp_mode = arg->init.mode;
     spp_local_param.spp_slot_id = 0;
@@ -323,6 +324,10 @@ static void btc_spp_init(btc_spp_args_t *arg)
 
 static void btc_spp_uninit(void)
 {
+    if (!spp_local_param.spp_slot_mutex) {
+        BTC_TRACE_ERROR("%s SPP have not been init\n", __func__);
+        return;
+    }
     osi_mutex_lock(&spp_local_param.spp_slot_mutex, OSI_MUTEX_MAX_TIMEOUT);
     for (size_t i = 1; i <= BTA_JV_MAX_RFC_SR_SESSION; i++) {
         if (spp_local_param.spp_slots[i] != NULL && spp_local_param.spp_slots[i]->connected) {