[socket] Ensure socket address structure sizes are fixed

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/include/ipxe/in.h b/src/include/ipxe/in.h
index 0f19bbd7c..36032470c 100644
--- a/src/include/ipxe/in.h
+++ b/src/include/ipxe/in.h
@@ -88,7 +88,7 @@ struct sockaddr_in {
 		    sizeof ( uint16_t ) /* sin_flags */ +
 		    sizeof ( uint16_t ) /* sin_port */ +
 		    sizeof ( struct in_addr ) /* sin_addr */ ) ];
-} __attribute__ (( may_alias ));
+} __attribute__ (( packed, may_alias ));
 
 /**
  * IPv6 socket address
@@ -122,7 +122,7 @@ struct sockaddr_in6 {
 		    sizeof ( uint16_t ) /* sin6_port */ +
 		    sizeof ( uint16_t ) /* sin6_scope_id */ +
 		    sizeof ( struct in6_addr ) /* sin6_addr */ ) ];
-} __attribute__ (( may_alias ));
+} __attribute__ (( packed, may_alias ));
 
 extern int inet_aton ( const char *cp, struct in_addr *inp );
 extern char * inet_ntoa ( struct in_addr in );