mctp: Be explicit about struct sockaddr_mctp padding

We currently have some implicit padding in struct sockaddr_mctp. This
patch makes this padding explicit, and ensures we have consistent
layout on platforms with <32bit alignmnent.

Fixes: 60fc63981693 ("mctp: Add sockaddr_mctp to uapi")
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/uapi/linux/mctp.h b/include/uapi/linux/mctp.h
index f384962d8ff23ef5e836200f95d07a0e4c1eb582..6acd4ccafbf71bf770ac463cab2d0fe61d72ad86 100644 (file)
--- a/include/uapi/linux/mctp.h
+++ b/include/uapi/linux/mctp.h
@@ -20,10 +20,12 @@ struct mctp_addr {
 
 struct sockaddr_mctp {
        __kernel_sa_family_t    smctp_family;
+       __u16                   __smctp_pad0;
        unsigned int            smctp_network;
        struct mctp_addr        smctp_addr;
        __u8                    smctp_type;
        __u8                    smctp_tag;
+       __u8                    __smctp_pad1;
 };
 
 #define MCTP_NET_ANY           0x0