From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 23 Jan 2018 21:18:34 +0100
Subject: batman-adv: unaligned access fixes

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

diff --git a/batman-adv/patches/900-unaligned-access.patch b/batman-adv/patches/900-unaligned-access.patch
new file mode 100644
index 0000000000000000000000000000000000000000..ba428b683ab146773162b0956a7e3b6260c14339
--- /dev/null
+++ b/batman-adv/patches/900-unaligned-access.patch
@@ -0,0 +1,35 @@
+--- a/net/batman-adv/packet.h
++++ b/net/batman-adv/packet.h
+@@ -173,8 +173,6 @@ struct batadv_bla_claim_dst {
+ 	__be16 group;		/* group id */
+ };
+ 
+-#pragma pack()
+-
+ /**
+  * struct batadv_ogm_packet - ogm (routing protocol) packet
+  * @packet_type: batman-adv packet type, part of the general header
+@@ -382,7 +380,6 @@ struct batadv_icmp_packet_rr {
+  * misalignment of the payload after the ethernet header. It may also lead to
+  * leakage of information when the padding it not initialized before sending.
+  */
+-#pragma pack(2)
+ 
+ /**
+  * struct batadv_unicast_packet - unicast packet for network payload
+@@ -510,8 +507,6 @@ struct batadv_coded_packet {
+ 	__be16 coded_len;
+ };
+ 
+-#pragma pack()
+-
+ /**
+  * struct batadv_unicast_tvlv_packet - generic unicast packet with tvlv payload
+  * @packet_type: batman-adv packet type, part of the general header
+@@ -618,4 +613,6 @@ struct batadv_tvlv_mcast_data {
+ 	u8 reserved[3];
+ };
+ 
++#pragma pack()
++
+ #endif /* _NET_BATMAN_ADV_PACKET_H_ */