[PATCH 10/12] net/netlink.c: support older kernels and headers
Mikko Rapeli <[email protected]>
| Newsgroups | org.kernel.vger.trinity |
|---|---|
| Message-ID | <[email protected]> |
Signed-off-by: Mikko Rapeli <[email protected]> --- net/netlink.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/net/netlink.c b/net/netlink.c index 6192184..4b7eed8 100644 --- a/net/netlink.c +++ b/net/netlink.c @@ -8,6 +8,17 @@ #include "net.h" #include "random.h" +/* Current highest netlink socket. Supports some older kernels. */ +#ifdef NETLINK_CRYPTO +#define _NETLINK_MAX NETLINK_CRYPTO +#else + #ifdef NETLINK_RDMA + #define _NETLINK_MAX NETLINK_RDMA + #else + #define _NETLINK_MAX NETLINK_ECRYPTFS + #endif /* NETLINK_RDMA */ +#endif /* NETLINK_CRYPTO */ + void netlink_gen_sockaddr(unsigned long *addr, unsigned long *addrlen) { struct sockaddr_nl *nl; @@ -30,5 +41,5 @@ void netlink_rand_socket(struct socket_triplet *st) else st->type = SOCK_DGRAM; - st->protocol = rand() % (NETLINK_CRYPTO + 1); // Current highest netlink socket. + st->protocol = rand() % (_NETLINK_MAX + 1); } -- 1.7.9.5