From 7013d2d7c5d0b18147e9171c9648a9f73ae1700a Mon Sep 17 00:00:00 2001 From: KonstantinKondrashov Date: Wed, 5 Feb 2020 00:46:22 +0800 Subject: [PATCH] lwip: Add to sys_arch_protect() a check that the mutex is created before use if not then creates it Closes: https://github.com/espressif/esp-idf/issues/944 Closes: https://github.com/espressif/esp-idf/issues/3931 Closes: WIFI-1019 --- components/lwip/port/esp32/freertos/sys_arch.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/components/lwip/port/esp32/freertos/sys_arch.c b/components/lwip/port/esp32/freertos/sys_arch.c index 1168b9e89..1f98eee71 100644 --- a/components/lwip/port/esp32/freertos/sys_arch.c +++ b/components/lwip/port/esp32/freertos/sys_arch.c @@ -426,9 +426,11 @@ sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stacksize void sys_init(void) { + if (!g_lwip_protect_mutex) { if (ERR_OK != sys_mutex_new(&g_lwip_protect_mutex)) { - ESP_LOGE(TAG, "sys_init: failed to init lwip protect mutex\n"); + ESP_LOGE(TAG, "sys_init: failed to init lwip protect mutex\n"); } + } // Create the pthreads key for the per-thread semaphore storage pthread_key_create(&sys_thread_sem_key, sys_thread_sem_free); @@ -466,6 +468,9 @@ sys_now(void) sys_prot_t sys_arch_protect(void) { + if (!g_lwip_protect_mutex) { + sys_mutex_new(&g_lwip_protect_mutex); + } sys_mutex_lock(&g_lwip_protect_mutex); return (sys_prot_t) 1; }