batman-adv: Handle parent interfaces in a different netns

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batman-adv tries to prevent the user from placing a batX soft
interface into another batman mesh as a hard interface. It does this
by walking up the devices list of parents and ensures they are all
none batX interfaces. iflink can point to an interface in a different
namespace, so also retrieve the parents name space when finding the
parent and use it when doing the comparison.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
[sven@narfation.org: Fix alignments, simplify parent netns retrieval]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>

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Andrew Lunn 2016-07-03 13:31:33 +02:00 • committed by Simon Wunderlich

parent b5dcbad252

commit 275019d2f0

1 changed files with 43 additions and 7 deletions

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net/batman-adv/hard-interface.c

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