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[winusb.c] add checking after allocating memory for variable winusb_device to make sure allocae is successful

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ourea1429
2023-04-28 14:59:42 +01:00
committed by GitHub
parent a8b7e28741
commit 085ded8eef
1 changed files with 2 additions and 0 deletions
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components/drivers/usb/usbdevice/class/winusb.c
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@@ -324,6 +324,8 @@ ufunction_t rt_usbd_function_winusb_create(udevice_t device)
/* allocate memory for cdc vcom data */
winusb_device = (winusb_device_t)rt_malloc(sizeof(struct winusb_device));
if (winusb_device == NULL)
return RT_NULL;
rt_memset((void *)winusb_device, 0, sizeof(struct winusb_device));
func->user_data = (void*)winusb_device;
/* create an interface object */