From: Tiwei Bie <tiwei.btw@antgroup.com>
Date: Fri, 11 Oct 2024 04:04:39 +0000 (+0800)
Subject: um: hostaudio: Do not propagate dsp parameter to kernel
X-Git-Tag: v6.13-rc1~18^2~31
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4e2e4ea0d8029874ef7d8f326e91c6ec6993a1bf;p=thirdparty%2Fkernel%2Flinux.git

um: hostaudio: Do not propagate dsp parameter to kernel

This parameter is UML specific and is unknown to kernel. It should
not be propagated to kernel, otherwise it will trigger a warning and
be passed to user space as an environment option.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20241011040441.1586345-8-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index 9d228878cea2e..09af903b75aed 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -48,6 +48,7 @@ MODULE_PARM_DESC(mixer, MIXER_HELP);
 #ifndef MODULE
 static int set_dsp(char *name, int *add)
 {
+	*add = 0;
 	dsp = name;
 	return 0;
 }