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can: at91_can: don't touch skb after netif_receive_skb()/netif_rx()
authorMarc Kleine-Budde <mkl@pengutronix.de>
Sat, 11 Jul 2015 19:03:07 +0000 (21:03 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 15 Jul 2015 07:04:26 +0000 (09:04 +0200)
commitbc06548522ea5537af7cc4182d2b2d7338c8a495
tree308d12f3d15eef65462d31c5b0ee3252b2d77be9tree | snapshot
parent3461dd84824943463ca110c3d9ef5140e2c8ab7bcommit | diff
can: at91_can: don't touch skb after netif_receive_skb()/netif_rx()

There is no guarantee that the skb is in the same state after calling
net_receive_skb() or netif_rx(). It might be freed or reused. Not really
harmful as its a read access, except you turn on the proper debugging options
which catch a use after free.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/at91_can.c diff | blob | history
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