mirror of
https://github.com/espressif/esp-idf.git
synced 2024-09-20 00:36:01 -04:00
VFS: Fix memory access after free() in UART select()
Closes https://github.com/espressif/esp-idf/issues/4030
This commit is contained in:
parent
b6455e1153
commit
7cc225c85b
@ -474,10 +474,6 @@ static esp_err_t uart_end_select(void *end_select_args)
|
||||
{
|
||||
uart_select_args_t *args = end_select_args;
|
||||
|
||||
if (args) {
|
||||
free(args);
|
||||
}
|
||||
|
||||
portENTER_CRITICAL(uart_get_selectlock());
|
||||
esp_err_t ret = unregister_select(args);
|
||||
for (int i = 0; i < UART_NUM; ++i) {
|
||||
@ -485,6 +481,10 @@ static esp_err_t uart_end_select(void *end_select_args)
|
||||
}
|
||||
portEXIT_CRITICAL(uart_get_selectlock());
|
||||
|
||||
if (args) {
|
||||
free(args);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user