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USB: wusb: correctly check size of security descriptor.

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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>
This commit is contained in:
David Vrabel 2009-12-07 13:50:41 +00:00 committed by Greg Kroah-Hartman
parent 2e9729d0f8
commit 9279095a9e
1 changed files with 3 additions and 3 deletions
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6
drivers/usb/wusbcore/security.c
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@ -205,15 +205,15 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
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;