Merge branch 'bugfix/fix_gpio_driver_calloc_v4.4' into 'release/v4.4'

fix(gpio): fix potential crash when processing gpio isr (v4.4) See merge request espressif/esp-idf!24903
espressif · Jul 25, 2023 · cc484c5 · cc484c5
2 parents 3b570fd + 8e3f509
commit cc484c5
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/components/driver/gpio.c b/components/driver/gpio.c
@@ -1,12 +1,13 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 #include <esp_types.h>
 #include "esp_err.h"
 #include "freertos/FreeRTOS.h"
+#include "esp_heap_caps.h"
 #include "driver/gpio.h"
 #include "driver/rtc_io.h"
 #include "soc/soc.h"
@@ -448,8 +449,9 @@ esp_err_t gpio_install_isr_service(int intr_alloc_flags)
 {
     GPIO_CHECK(gpio_context.gpio_isr_func == NULL, "GPIO isr service already installed", ESP_ERR_INVALID_STATE);
     esp_err_t ret;
+    const uint32_t alloc_caps = (intr_alloc_flags & ESP_INTR_FLAG_IRAM) ? MALLOC_CAP_INTERNAL : MALLOC_CAP_DEFAULT;
     portENTER_CRITICAL(&gpio_context.gpio_spinlock);
-    gpio_context.gpio_isr_func = (gpio_isr_func_t *) calloc(GPIO_NUM_MAX, sizeof(gpio_isr_func_t));
+    gpio_context.gpio_isr_func = (gpio_isr_func_t *) heap_caps_calloc(GPIO_NUM_MAX, sizeof(gpio_isr_func_t), alloc_caps);
     portEXIT_CRITICAL(&gpio_context.gpio_spinlock);
     if (gpio_context.gpio_isr_func == NULL) {
         ret = ESP_ERR_NO_MEM;