USB: wusb: correctly check size of security descriptor.
Reported-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c
index 4516c36..edcd2d7 100644
--- a/drivers/usb/wusbcore/security.c
+++ b/drivers/usb/wusbcore/security.c
@@ -205,15 +205,15 @@
const void *itr, *top;
char buf[64];
- secd = kmalloc(sizeof(struct usb_security_descriptor), GFP_KERNEL);
+ secd = kmalloc(sizeof(*secd), GFP_KERNEL);
if (secd == NULL) {
result = -ENOMEM;
goto out;
}
result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
- 0, secd, sizeof(struct usb_security_descriptor));
- if (result < sizeof(secd)) {
+ 0, secd, sizeof(*secd));
+ if (result < sizeof(*secd)) {
dev_err(dev, "Can't read security descriptor or "
"not enough data: %d\n", result);
goto out;