batman-adv: update data pointers after skb_cow()

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commit bc44b78157 upstream.

batadv_check_unicast_ttvn() calls skb_cow(), so pointers into the SKB data
must be (re)set after calling it. The ethhdr variable is dropped
altogether.

Fixes: 7cdcf6dddc ("batman-adv: add UNICAST_4ADDR packet type")
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
[bwh: Backported to 3.16:
 - There's no ethhdr variable here
 - Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Matthias Schiffer 2018-03-16 11:29:09 +01:00 • committed by Ben Hutchings

parent c1bb4c474c

commit 2cb0c19c38

1 changed files with 4 additions and 2 deletions

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net/batman-adv/routing.c

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