Commit 862474f8 authored Feb 11, 2014 by Olivier Sobrie Committed by Marc Kleine-Budde Feb 12, 2014

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: Olivier Sobrie <olivier@sobrie.be>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

parent 738b52bb

drivers/net/can/usb/kvaser_usb.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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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