From: Oliver Hartkopp <socketcan@hartkopp.net>
Date: Mon, 23 Feb 2015 19:37:54 +0000 (+0100)
Subject: can: add missing initialisations in CAN related skbuffs
X-Git-Tag: v3.2.69~108
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76eeb88f2a36e2ce5e1a302b34e9045e4829be4b;p=pandora-kernel.git

can: add missing initialisations in CAN related skbuffs

commit 969439016d2cf61fef53a973d7e6d2061c3793b1 upstream.

When accessing CAN network interfaces with AF_PACKET sockets e.g. by dhclient
this can lead to a skb_under_panic due to missing skb initialisations.

Add the missing initialisations at the CAN skbuff creation times on driver
level (rx path) and in the network layer (tx path).

Reported-by: Austin Schuh <austin@peloton-tech.com>
Reported-by: Daniel Steer <daniel.steer@mclaren.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
[bwh: Backported to 3.2:
 - Adjust context
 - Drop changes to alloc_canfd_skb()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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