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Subject[PATCH 4.19 227/245] batman-adv: Add missing include for in_interrupt()
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From: Sven Eckelmann <sven@narfation.org>

[ 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>
---
net/batman-adv/bridge_loop_avoidance.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index e71a35a3950de..557d7fdf0b8dc 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -37,6 +37,7 @@
#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>
--
2.25.1


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