Signed-off-by: Mikko Rapeli <mikko.rapeli@xxxxxx>
---
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
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