Removed bad hacks in vcan.c and slcan_attach.c.

[socketcan-devel.git] / can-utils / vcan.c

diff --git a/can-utils/vcan.c b/can-utils/vcan.c
index 90bd36d97919ef6d546a85c3a35b87d1a4828b9e..80d39d52b54026157b496f31594bc3682918c11d 100644 (file)
--- a/can-utils/vcan.c
+++ b/can-utils/vcan.c
@@ -28,17 +28,12 @@
 
 #include <linux/if_link.h>
 
-#if 0
-#define IFLA_LINKINFO 18
-
-enum
-{
-       IFLA_INFO_UNSPEC,
-       IFLA_INFO_NAME,
-       IFLA_INFO_DATA,
-       IFLA_INFO_XSTATS,
-       __IFLA_INFO_MAX,
-};
+#ifndef IFLA_LINKINFO
+#error Your kernel includes do not provide the needed netlink interface function.
+#error This is a normal behaviour for Kernel versions < v2.6.24 .
+#error You don't need this tool for Kernel versions < v2.6.24 anyway, as
+#error the number of vcan driver instances can be defined as a vcan.ko module
+#error commandline parameter (default = 4) in older Kernels.
 #endif
 
 #define NLMSG_TAIL(nmsg)                                               \