commit 157378f43faad830e4aa3815bde5fa9f9a9f5be6
author Olivier Deprez <olivier.deprez@arm.com> Mon Apr 04 15:47:50 2022 +0200
committer Olivier Deprez <olivier.deprez@arm.com> Mon Apr 04 17:19:45 2022 +0200
tree a6c9afae04d547459872e71460db6f8a454a070c
parent 0e64123141f3854e695eb4924d82b52856691466

Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>

net/tipc/netlink_compat.c

diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 561ea83..49e8933 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -181,15 +181,18 @@
 				   struct tipc_nl_compat_msg *msg,
 				   struct sk_buff *arg)
 {
+	struct genl_dumpit_info info;
 	int len = 0;
 	int err;
 	struct sk_buff *buf;
 	struct nlmsghdr *nlmsg;
 	struct netlink_callback cb;
+	struct nlattr **attrbuf;
 
 	memset(&cb, 0, sizeof(cb));
 	cb.nlh = (struct nlmsghdr *)arg->data;
 	cb.skb = arg;
+	cb.data = &info;
 
 	buf = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
 	if (!buf)
@@ -201,19 +204,35 @@
 		return -ENOMEM;
 	}
 
+	attrbuf = kcalloc(tipc_genl_family.maxattr + 1,
+			  sizeof(struct nlattr *), GFP_KERNEL);
+	if (!attrbuf) {
+		err = -ENOMEM;
+		goto err_out;
+	}
+
+	info.attrs = attrbuf;
+	err = nlmsg_parse_deprecated(cb.nlh, GENL_HDRLEN, attrbuf,
+				     tipc_genl_family.maxattr,
+				     tipc_genl_family.policy, NULL);
+	if (err)
+		goto err_out;
+
 	do {
 		int rem;
 
 		len = (*cmd->dumpit)(buf, &cb);
 
 		nlmsg_for_each_msg(nlmsg, nlmsg_hdr(buf), len, rem) {
-			struct nlattr **attrs;
-
-			err = tipc_nlmsg_parse(nlmsg, &attrs);
+			err = nlmsg_parse_deprecated(nlmsg, GENL_HDRLEN,
+						     attrbuf,
+						     tipc_genl_family.maxattr,
+						     tipc_genl_family.policy,
+						     NULL);
 			if (err)
 				goto err_out;
 
-			err = (*cmd->format)(msg, attrs);
+			err = (*cmd->format)(msg, attrbuf);
 			if (err)
 				goto err_out;
 
@@ -231,6 +250,7 @@
 	err = 0;
 
 err_out:
+	kfree(attrbuf);
 	tipc_dump_done(&cb);
 	kfree_skb(buf);
 
@@ -1317,7 +1337,7 @@
 	return err;
 }
 
-static const struct genl_ops tipc_genl_compat_ops[] = {
+static const struct genl_small_ops tipc_genl_compat_ops[] = {
 	{
 		.cmd		= TIPC_GENL_CMD,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
@@ -1332,8 +1352,8 @@
 	.maxattr	= 0,
 	.netnsok	= true,
 	.module		= THIS_MODULE,
-	.ops		= tipc_genl_compat_ops,
-	.n_ops		= ARRAY_SIZE(tipc_genl_compat_ops),
+	.small_ops	= tipc_genl_compat_ops,
+	.n_small_ops	= ARRAY_SIZE(tipc_genl_compat_ops),
 };
 
 int __init tipc_netlink_compat_start(void)