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-rw-r--r--sys/netinet/ip.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/ip.h b/sys/netinet/ip.h
index 1ad3a93..63aa4fd 100644
--- a/sys/netinet/ip.h
+++ b/sys/netinet/ip.h
@@ -65,7 +65,7 @@ struct ip {
u_char ip_p; /* protocol */
u_short ip_sum; /* checksum */
struct in_addr ip_src,ip_dst; /* source and dest address */
-} __packed;
+} __packed __aligned(4);
#ifdef CTASSERT
CTASSERT(sizeof (struct ip) == 20);
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