diff --git a/kernel/sys.c b/kernel/sys.c
index 6df42624e454aeb236ab1c9413d6fdf5f676365f..8b71cef3bf1a3c195c6094b98d8c85f453fbb41a 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1378,8 +1378,8 @@ SYSCALL_DEFINE2(sethostname, char __user *, name, int, len)
 		memcpy(u->nodename, tmp, len);
 		memset(u->nodename + len, 0, sizeof(u->nodename) - len);
 		errno = 0;
+		uts_proc_notify(UTS_PROC_HOSTNAME);
 	}
-	uts_proc_notify(UTS_PROC_HOSTNAME);
 	up_write(&uts_sem);
 	return errno;
 }
@@ -1429,8 +1429,8 @@ SYSCALL_DEFINE2(setdomainname, char __user *, name, int, len)
 		memcpy(u->domainname, tmp, len);
 		memset(u->domainname + len, 0, sizeof(u->domainname) - len);
 		errno = 0;
+		uts_proc_notify(UTS_PROC_DOMAINNAME);
 	}
-	uts_proc_notify(UTS_PROC_DOMAINNAME);
 	up_write(&uts_sem);
 	return errno;
 }