batman-adv: postpone sysfs removal when unregistering

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When processing the unregister notify for a hard interface, removing
the sysfs files may lead to a circular deadlock (rtnl mutex <->
s_active).

To overcome this problem, postpone the sysfs removal in a worker.

Reported-by: Sasha Levin <sasha.levin@oracle.com>
Reported-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>

...

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Simon Wunderlich 2013-01-11 10:19:51 +01:00 • committed by Antonio Quartulli

parent e76e4320a2

commit 5bc44dc845

3 changed files with 57 additions and 5 deletions

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24

net/batman-adv/hard-interface.c

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32

net/batman-adv/soft-interface.c

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6

net/batman-adv/types.h

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