diff mbox series

[3/9] um: Do not propagate uml_dir parameter to kernel

Message ID 20241011040441.1586345-4-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 be passed to user space as
an environment option by kernel with a warning like:

Unknown kernel command line parameters "uml_dir=/foo", will be passed to user space.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
---
 arch/um/os-Linux/umid.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index e09d65b05d1c..eb523ab1e218 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -358,6 +358,8 @@  char *get_umid(void)
 
 static int __init set_uml_dir(char *name, int *add)
 {
+	*add = 0;
+
 	if (*name == '\0') {
 		os_warn("uml_dir can't be an empty string\n");
 		return 0;