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Commit 9ffd7503 authored by Andri Yngvason's avatar Andri Yngvason Committed by Marc Kleine-Budde
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can: cc770: Fix use after free in cc770_tx_interrupt() 



This fixes use after free introduced by the last cc770 patch.

Signed-off-by: default avatarAndri Yngvason <andri.yngvason@marel.com>
Fixes: 74620123 ("can: cc770: Fix queue stall & dropped RTR reply")
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent a069215c

drivers/net/can/cc770/cc770.c

+2 −3
Original line number Diff line number Diff line
@@ -706,13 +706,12 @@ static void cc770_tx_interrupt(struct net_device *dev, unsigned int o) 
		return;

	}



	can_put_echo_skb(priv->tx_skb, dev, 0);

	can_get_echo_skb(dev, 0);



	cf = (struct can_frame *)priv->tx_skb->data;

	stats->tx_bytes += cf->can_dlc;

	stats->tx_packets++;



	can_put_echo_skb(priv->tx_skb, dev, 0);

	can_get_echo_skb(dev, 0);

	priv->tx_skb = NULL;



	netif_wake_queue(dev);