datapath: Use __packed macro.

The __packed macro is preferred instead of an explicit GCC attribute,
so use it instead to deal with structure packing.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/datapath/flow.h b/datapath/flow.h
index 808e731..61ffcd7 100644 (file)
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -59,7 +59,7 @@ struct arp_eth_header
        unsigned char       ar_sip[4];          /* sender IP address        */
        unsigned char       ar_tha[ETH_ALEN];   /* target hardware address  */
        unsigned char       ar_tip[4];          /* target IP address        */
-} __attribute__((packed));
+} __packed;
 
 int flow_init(void);
 void flow_exit(void);