can: cc770: Fix use after free in cc770_tx_interrupt()
commitpull/10/head9ffd750394
upstream. This fixes use after free introduced by the last cc770 patch. Signed-off-by: Andri Yngvason <andri.yngvason@marel.com> Fixes:746201235b
("can: cc770: Fix queue stall & dropped RTR reply") Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
63affa180c
commit
5c955c3cfb
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@ -706,13 +706,12 @@ static void cc770_tx_interrupt(struct net_device *dev, unsigned int o)
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return;
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}
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can_put_echo_skb(priv->tx_skb, dev, 0);
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can_get_echo_skb(dev, 0);
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cf = (struct can_frame *)priv->tx_skb->data;
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stats->tx_bytes += cf->can_dlc;
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stats->tx_packets++;
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can_put_echo_skb(priv->tx_skb, dev, 0);
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can_get_echo_skb(dev, 0);
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priv->tx_skb = NULL;
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netif_wake_queue(dev);
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