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batman-adv: Add missing include for in_interrupt()

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[ Upstream commit 4bba9dab86b6ac15ca560ef1f2b5aa4529cbf784 ]

The fix for receiving (internally generated) bla packets outside the
interrupt context introduced the usage of in_interrupt(). But this
functionality is only defined in linux/preempt.h which was not included
with the same patch.

Fixes: 279e89b2281a ("batman-adv: bla: use netif_rx_ni when not in interrupt context")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sven Eckelmann 2020-09-14 13:58:16 +02:00 committed by Greg Kroah-Hartman
parent 248c25e772
commit 8c6ba1878a
1 changed files with 1 additions and 0 deletions
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net/batman-adv/bridge_loop_avoidance.c
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@ -25,6 +25,7 @@
#include <linux/lockdep.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/preempt.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>