genl: remove dead code

The function genl_ctrl_resolve_family is defined but never used
in current code.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/genl/ctrl.c b/genl/ctrl.c
index 6133336ab435539de0df6228a47a8a3086ed40f6..0fb464b01cfbc429a46ec6ecd83d6a7b60543c46 100644 (file)
--- a/genl/ctrl.c
+++ b/genl/ctrl.c
@@ -38,77 +38,6 @@ static int usage(void)
        return -1;
 }
 
-int genl_ctrl_resolve_family(const char *family)
-{
-       struct rtnl_handle rth;
-       int ret = 0;
-       struct {
-               struct nlmsghdr         n;
-               struct genlmsghdr       g;
-               char                    buf[4096];
-       } req = {
-               .n.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN),
-               .n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
-               .n.nlmsg_type = GENL_ID_CTRL,
-               .g.cmd = CTRL_CMD_GETFAMILY,
-       };
-       struct nlmsghdr *nlh = &req.n;
-       struct genlmsghdr *ghdr = &req.g;
-       struct nlmsghdr *answer = NULL;
-
-       if (rtnl_open_byproto(&rth, 0, NETLINK_GENERIC) < 0) {
-               fprintf(stderr, "Cannot open generic netlink socket\n");
-               exit(1);
-       }
-
-       addattr_l(nlh, 128, CTRL_ATTR_FAMILY_NAME, family, strlen(family) + 1);
-
-       if (rtnl_talk(&rth, nlh, &answer) < 0) {
-               fprintf(stderr, "Error talking to the kernel\n");
-               goto errout;
-       }
-
-       {
-               struct rtattr *tb[CTRL_ATTR_MAX + 1];
-               int len = answer->nlmsg_len;
-               struct rtattr *attrs;
-
-               if (answer->nlmsg_type !=  GENL_ID_CTRL) {
-                       fprintf(stderr, "Not a controller message, nlmsg_len=%d "
-                               "nlmsg_type=0x%x\n", answer->nlmsg_len, answer->nlmsg_type);
-                       goto errout;
-               }
-
-               if (ghdr->cmd != CTRL_CMD_NEWFAMILY) {
-                       fprintf(stderr, "Unknown controller command %d\n", ghdr->cmd);
-                       goto errout;
-               }
-
-               len -= NLMSG_LENGTH(GENL_HDRLEN);
-
-               if (len < 0) {
-                       fprintf(stderr, "wrong controller message len %d\n", len);
-                       free(answer);
-                       return -1;
-               }
-
-               attrs = (struct rtattr *) ((char *) answer + NLMSG_LENGTH(GENL_HDRLEN));
-               parse_rtattr(tb, CTRL_ATTR_MAX, attrs, len);
-
-               if (tb[CTRL_ATTR_FAMILY_ID] == NULL) {
-                       fprintf(stderr, "Missing family id TLV\n");
-                       goto errout;
-               }
-
-               ret = rta_getattr_u16(tb[CTRL_ATTR_FAMILY_ID]);
-       }
-
-errout:
-       free(answer);
-       rtnl_close(&rth);
-       return ret;
-}
-
 static void print_ctrl_cmd_flags(FILE *fp, __u32 fl)
 {
        fprintf(fp, "\n\t\tCapabilities (0x%x):\n ", fl);

diff --git a/genl/genl_utils.h b/genl/genl_utils.h
index cc1f3fb76596186c5d3efcef21e222c9f3184bc4..a8d433a9574face2b496158180b724aa6e6b10f7 100644 (file)
--- a/genl/genl_utils.h
+++ b/genl/genl_utils.h
@@ -13,6 +13,4 @@ struct genl_util
        int     (*print_genlopt)(struct nlmsghdr *n, void *arg);
 };
 
-int genl_ctrl_resolve_family(const char *family);
-
 #endif