Merge tag 'asoc-v5.7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.7

This is a very big update for the core since Morimoto-san has been
rather busy continuing his refactorings to clean up a lot of the cruft
that we have accumilated over the years.  We've also gained several new
drivers, including initial (but still not complete) parts of the Intel
SoundWire support.

 - Lots of refactorings to modernize the code from Morimoto-san.
 - Conversion of SND_SOC_ALL_CODECS to use imply from Geert Uytterhoeven.
 - Continued refactoring and fixing of the Intel support.
 - Soundwire and more advanced clocking support for Realtek RT5682.
 - Support for amlogic GX, Meson 8, Meson 8B and T9015 DAC, Broadcom
   DSL/PON, Ingenic JZ4760 and JZ4770, Realtek RL6231, and TI TAS2563 and
   TLV320ADCX140.

1 files changed, 12 insertions, 14 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 09c44bf2e1d2..e1152f4ffe33 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3504,27 +3504,25 @@ static int rtnl_alt_ifname(int cmd, struct net_device *dev, struct nlattr *attr,
 	if (err)
 		return err;
 
-	alt_ifname = nla_data(attr);
+	alt_ifname = nla_strdup(attr, GFP_KERNEL);
+	if (!alt_ifname)
+		return -ENOMEM;
+
 	if (cmd == RTM_NEWLINKPROP) {
-		alt_ifname = kstrdup(alt_ifname, GFP_KERNEL);
-		if (!alt_ifname)
-			return -ENOMEM;
 		err = netdev_name_node_alt_create(dev, alt_ifname);
-		if (err) {
-			kfree(alt_ifname);
-			return err;
-		}
+		if (!err)
+			alt_ifname = NULL;
 	} else if (cmd == RTM_DELLINKPROP) {
 		err = netdev_name_node_alt_destroy(dev, alt_ifname);
-		if (err)
-			return err;
 	} else {
-		WARN_ON(1);
-		return 0;
+		WARN_ON_ONCE(1);
+		err = -EINVAL;
 	}
 
-	*changed = true;
-	return 0;
+	kfree(alt_ifname);
+	if (!err)
+		*changed = true;
+	return err;
 }
 
 static int rtnl_linkprop(int cmd, struct sk_buff *skb, struct nlmsghdr *nlh,