net: return correct error code

liuguoqiang · davem330 · commit 6def480181f1 · 2021-11-15T14:22:12.000Z
When kmemdup called failed and register_net_sysctl return NULL, should
return ENOMEM instead of ENOBUFS

Signed-off-by: liuguoqiang &lt;liuguoqiang@uniontech.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
@@ -2591,7 +2591,7 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name,
 free:
 	kfree(t);
 out:
-	return -ENOBUFS;
+	return -ENOMEM;
 }
 
 static void __devinet_sysctl_unregister(struct net *net,

Original file line number	Diff line number	Diff line change
`@@ -2591,7 +2591,7 @@ static int __devinet_sysctl_register(struct net net, char dev_name,`
`2591`	`2591`	`free:`
`2592`	`2592`	`kfree(t);`
`2593`	`2593`	`out:`
`2594`		`- return -ENOBUFS;`
	`2594`	`+ return -ENOMEM;`
`2595`	`2595`	`}`
`2596`	`2596`
`2597`	`2597`	`static void __devinet_sysctl_unregister(struct net *net,`