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[8/9] um: hostaudio: Do not propagate mixer parameter to kernel

Message ID 20241011040441.1586345-9-tiwei.btw@antgroup.com
State New
Headers show
Series um: Some parameter cleanups | expand

Commit Message

Tiwei Bie Oct. 11, 2024, 4:04 a.m. UTC
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>
---
 arch/um/drivers/hostaudio_kern.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index 09af903b75ae..0ac149de1ac0 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -57,6 +57,7 @@  __uml_setup("dsp=", set_dsp, "dsp=<dsp device>\n" DSP_HELP);
 
 static int set_mixer(char *name, int *add)
 {
+	*add = 0;
 	mixer = name;
 	return 0;
 }