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Date: Tue, 4 Mar 2014 12:04:19 -0800 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Olivier Sobrie <olivier@...rie.be>, Marc Kleine-Budde <mkl@...gutronix.de> Subject: [PATCH 3.10 66/97] can: kvaser_usb: check number of channels returned by HW 3.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Olivier Sobrie <olivier@...rie.be> commit 862474f8b46f6c1e600d4934e40ba40646c696ec upstream. 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@...rie.be> Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/net/can/usb/kvaser_usb.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -474,6 +474,8 @@ static int kvaser_usb_get_card_info(stru return err; dev->nchannels = msg.u.cardinfo.nchannels; + if (dev->nchannels > MAX_NET_DEVICES) + return -EINVAL; return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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