diff options
Diffstat (limited to 'components/drivers')
| -rw-r--r-- | components/drivers/usb/usbhost/core/usbhost_core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/components/drivers/usb/usbhost/core/usbhost_core.c b/components/drivers/usb/usbhost/core/usbhost_core.c index 71341a33c3..d72dca82f2 100644 --- a/components/drivers/usb/usbhost/core/usbhost_core.c +++ b/components/drivers/usb/usbhost/core/usbhost_core.c @@ -162,6 +162,10 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device) /* alloc memory for configuration descriptor */ device->cfg_desc = (ucfg_desc_t)rt_malloc(cfg_desc.wTotalLength); + if(device->cfg_desc == RT_NULL) + { + return RT_ENOMEM; + } rt_memset(device->cfg_desc, 0, cfg_desc.wTotalLength); /* get full configuration descriptor */ @@ -219,6 +223,10 @@ rt_err_t rt_usbh_attatch_instance(uinst_t device) { /* allocate memory for interface device */ device->intf[i] = (struct uhintf*)rt_malloc(sizeof(struct uhintf)); + if(device->intf[i] == RT_NULL) + { + return RT_ENOMEM; + } device->intf[i]->drv = drv; device->intf[i]->device = device; device->intf[i]->intf_desc = intf_desc; |