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hub: Do not allow unitialized driver to be loaded

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Signed-off-by: Amir Hammad <amir.hammad@hotmail.com>
This commit is contained in:
Amir Hammad 2015-07-13 16:16:39 +02:00
parent 33856ce17c
commit 3003006216
1 changed files with 8 additions and 1 deletions
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9
src/usbh_driver_hub.c
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@ -31,12 +31,14 @@
static hub_device_t hub_device[USBH_MAX_HUBS];
static void event(usbh_device_t *dev, usbh_packet_callback_data_t cb_data);
static bool initialized = false;
void hub_driver_init(void)
{
uint32_t i;
initialized = true;
for (i = 0; i < USBH_MAX_HUBS; i++) {
hub_device[i].device[0] = 0;
hub_device[i].ports_num = 0;
@ -51,6 +53,11 @@ void hub_driver_init(void)
*/
static void *init(void *usbh_dev)
{
if (!initialized) {
LOG_PRINTF("\n%s/%d : driver not initialized\r\n", __FILE__, __LINE__);
return 0;
}
uint32_t i;
hub_device_t *drvdata = 0;
// find free data space for hub device