Unfortunately, not all compilers assumes the structures within a pack
region also need be packed (e.g. metag), so need add a pack explicitly
to satisfy all compilers.
The related error (under metag with allmodconfig):
MODPOST 2952 modules
ERROR: "__compiletime_assert_431" [net/batman-adv/batman-adv.ko] undefined!
ERROR: "__compiletime_assert_432" [net/batman-adv/batman-adv.ko] undefined!
ERROR: "__compiletime_assert_429" [net/batman-adv/batman-adv.ko] undefined!
ERROR: "__compiletime_assert_428" [net/batman-adv/batman-adv.ko] undefined!
ERROR: "__compiletime_assert_423" [net/batman-adv/batman-adv.ko] undefined!
Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
---
net/batman-adv/packet.h | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index 0a381d1..9206b48 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -154,7 +154,6 @@ enum batadv_tvlv_type {
BATADV_TVLV_ROAM = 0x05,
};
-#pragma pack(2)
/* the destination hardware field in the ARP frame is used to
* transport the claim type and the group id
*/
@@ -162,8 +161,7 @@ struct batadv_bla_claim_dst {
uint8_t magic[3]; /* FF:43:05 */
uint8_t type; /* bla_claimframe */
__be16 group; /* group id */
-};
-#pragma pack()
+} __packed __aligned(2);
/**
* struct batadv_ogm_packet - ogm (routing protocol) packet
@@ -281,7 +279,6 @@ 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
@@ -300,7 +297,7 @@ struct batadv_unicast_packet {
/* "4 bytes boundary + 2 bytes" long to make the payload after the
* following ethernet header again 4 bytes boundary aligned
*/
-};
+} __packed __aligned(2);
/**
* struct batadv_unicast_4addr_packet - extended unicast packet
@@ -316,7 +313,7 @@ struct batadv_unicast_4addr_packet {
/* "4 bytes boundary + 2 bytes" long to make the payload after the
* following ethernet header again 4 bytes boundary aligned
*/
-};
+} __packed __aligned(2);
/**
* struct batadv_frag_packet - fragmented packet
@@ -347,7 +344,7 @@ struct batadv_frag_packet {
uint8_t orig[ETH_ALEN];
__be16 seqno;
__be16 total_size;
-};
+} __packed __aligned(2);
/**
* struct batadv_bcast_packet - broadcast packet for network payload
@@ -368,7 +365,7 @@ struct batadv_bcast_packet {
/* "4 bytes boundary + 2 bytes" long to make the payload after the
* following ethernet header again 4 bytes boundary aligned
*/
-};
+} __packed __aligned(2);
/**
* struct batadv_coded_packet - network coded packet
@@ -404,9 +401,8 @@ struct batadv_coded_packet {
uint8_t second_orig_dest[ETH_ALEN];
__be32 second_crc;
__be16 coded_len;
-};
+} __packed __aligned(2);
-#pragma pack()
/**
* struct batadv_unicast_tvlv - generic unicast packet with tvlv payload
--
1.7.11.7
--
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