LU-9680 utils: fix nested attribute handling in liblnetconfig

[fs/lustre-release.git] / lnet / lnet / api-ni.c

diff --git a/lnet/lnet/api-ni.c b/lnet/lnet/api-ni.c
index 2b64450..6816d3f 100644 (file)
--- a/lnet/lnet/api-ni.c
+++ b/lnet/lnet/api-ni.c
@@ -2849,6 +2849,9 @@ static int lnet_genl_parse_list(struct sk_buff *msg,
        for (count = 1; count <= list->lkl_maxattr; count++) {
                struct nlattr *key = nla_nest_start(msg, count);
 
+               if (!key)
+                       return -EMSGSIZE;
+
                if (count == 1)
                        nla_put_u16(msg, LN_SCALAR_ATTR_LIST_SIZE,
                                    list->lkl_maxattr);
@@ -5383,6 +5386,7 @@ static int lnet_net_show_start(struct netlink_callback *cb)
        nlist->lngl_idx = 0;
        cb->args[0] = (long)nlist;
 
+       cb->min_dump_alloc = U16_MAX;
        if (!msg_len)
                return 0;