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authorTiwei Bie <[email protected]>2024-10-11 12:04:40 +0800
committerJohannes Berg <[email protected]>2024-10-23 09:52:49 +0200
commit3f48113df3495540fb492760dfb092deaccc9f7d (patch)
treee331e1c5c435fbcea19409b32a8d13a01204f111
parent4e2e4ea0d8029874ef7d8f326e91c6ec6993a1bf (diff)
um: hostaudio: Do not propagate mixer 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 <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Johannes Berg <[email protected]>
-rw-r--r--arch/um/drivers/hostaudio_kern.c1
1 files changed, 1 insertions, 0 deletions
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;
}