rtos: fix segfault in FreeRTOS handling

[openocd.git] / src / rtos / FreeRTOS.c

diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c
index c7b46434ba8102823fcb71d0effb25f5b9ce3dc1..2c4791745b3b9aba607eb2bd918b8a20d6116210 100644 (file)
--- a/src/rtos/FreeRTOS.c
+++ b/src/rtos/FreeRTOS.c
@@ -187,6 +187,10 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                tasks_found++;
                rtos->thread_details = (struct thread_detail *) malloc(
                                sizeof(struct thread_detail) * thread_list_size);
+               if (!rtos->thread_details) {
+                       LOG_ERROR("Error allocating memory for %d threads", thread_list_size);
+                       return ERROR_FAIL;
+               }
                rtos->thread_details->threadid = 1;
                rtos->thread_details->exists = true;
                rtos->thread_details->display_str = NULL;
@@ -202,6 +206,10 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                /* create space for new thread details */
                rtos->thread_details = (struct thread_detail *) malloc(
                                sizeof(struct thread_detail) * thread_list_size);
+               if (!rtos->thread_details) {
+                       LOG_ERROR("Error allocating memory for %d threads", thread_list_size);
+                       return ERROR_FAIL;
+               }
        }
 
        /* Find out how many lists are needed to be read from pxReadyTasksLists, */
@@ -216,6 +224,10 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
        symbol_address_t *list_of_lists =
                (symbol_address_t *)malloc(sizeof(symbol_address_t) *
                        (max_used_priority+1 + 5));
+       if (!list_of_lists) {
+               LOG_ERROR("Error allocating memory for %" PRId64 " priorities", max_used_priority);
+               return ERROR_FAIL;
+       }
 
        int num_lists;
        for (num_lists = 0; num_lists <= max_used_priority; num_lists++)