libnetlink: add size argument to rtnl_talk

[mirror_iproute2.git] / ip / iplink.c

diff --git a/ip/iplink.c b/ip/iplink.c
index bb437b96239a76bc6a30b7e652b84ebf5123040a..a4a498055d463518028e1e1435b86c828e9ca853 100644 (file)
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -674,7 +674,7 @@ static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
 
                        req.i.ifi_index = 0;
                        addattr32(&req.n, sizeof(req), IFLA_GROUP, group);
-                       if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
+                       if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
                                exit(2);
                        return 0;
                }
@@ -773,7 +773,7 @@ static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
                return -1;
        }
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
+       if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
                exit(2);
 
        return 0;
@@ -783,7 +783,10 @@ int iplink_get(unsigned int flags, char *name, __u32 filt_mask)
 {
        int len;
        struct iplink_req req;
-       char answer[16384];
+       struct {
+               struct nlmsghdr n;
+               char buf[16384];
+       } answer;
 
        memset(&req, 0, sizeof(req));
 
@@ -803,10 +806,10 @@ int iplink_get(unsigned int flags, char *name, __u32 filt_mask)
        }
        addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask);
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, (struct nlmsghdr *)answer) < 0)
+       if (rtnl_talk(&rth, &req.n, &answer.n, sizeof(answer)) < 0)
                return -2;
 
-       print_linkinfo(NULL, (struct nlmsghdr *)answer, stdout);
+       print_linkinfo(NULL, &answer.n, stdout);
 
        return 0;
 }