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can: cc770: don't touch skb after netif_rx()
authorMarc Kleine-Budde <mkl@pengutronix.de>
Sat, 11 Jul 2015 19:16:08 +0000 (21:16 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 15 Jul 2015 07:04:27 +0000 (09:04 +0200)
commitef934e89f5e68535c447789b74de42cf389e55de
tree6b06ca3615a7c66c81a5ee732d239fc76b26fdb2tree | snapshot
parent05c4456538e9551b8ac47762b21127bf9cf6cc8ecommit | diff
can: cc770: don't touch skb after 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.

Cc: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/cc770/cc770.c diff | blob | blame | history
Michael's Linux tree.