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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>
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1 changed files with 3 additions and 3 deletions
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@ -205,15 +205,15 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
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const void *itr, *top;
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char buf[64];
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secd = kmalloc(sizeof(struct usb_security_descriptor), GFP_KERNEL);
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secd = kmalloc(sizeof(*secd), GFP_KERNEL);
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if (secd == NULL) {
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result = -ENOMEM;
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goto out;
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}
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result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
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0, secd, sizeof(struct usb_security_descriptor));
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if (result < sizeof(secd)) {
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0, secd, sizeof(*secd));
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if (result < sizeof(*secd)) {
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dev_err(dev, "Can't read security descriptor or "
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"not enough data: %d\n", result);
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goto out;
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