Commit 862474f8 authored by Olivier Sobrie's avatar Olivier Sobrie Committed by Marc Kleine-Budde

can: kvaser_usb: check number of channels returned by HW

It is needed to check the number of channels returned by the HW because it
cannot be greater than MAX_NET_DEVICES otherwise it will crash.
Signed-off-by: default avatarOlivier Sobrie <olivier@sobrie.be>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 738b52bb
......@@ -473,6 +473,8 @@ static int kvaser_usb_get_card_info(struct kvaser_usb *dev)
return err;
dev->nchannels = msg.u.cardinfo.nchannels;
if (dev->nchannels > MAX_NET_DEVICES)
return -EINVAL;
return 0;
}
......
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