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-rw-r--r--common/usb.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/common/usb.c b/common/usb.c
index 6ed3124..f648847 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -956,7 +956,7 @@ int usb_new_device(struct usb_device *dev)
*/
#ifndef CONFIG_USB_XHCI
err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64);
- if (err < 0) {
+ if (err < sizeof(struct usb_device_descriptor)) {
debug("usb_new_device: usb_get_descriptor() failed\n");
return -EIO;
}
@@ -996,6 +996,9 @@ int usb_new_device(struct usb_device *dev)
case 64:
dev->maxpacketsize = PACKET_SIZE_64;
break;
+ default:
+ printf("usb_new_device: invalid max packet size\n");
+ return -EIO;
}
dev->devnum = addr;