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um: Do not propagate dtb parameter to kernel

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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 "dtb=/foo", will be passed to user space.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20241011040441.1586345-5-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Tiwei Bie 2024-10-11 12:04:36 +08:00 committed by Johannes Berg
parent 5c78a58388
commit 7da0c61157
1 changed files with 1 additions and 0 deletions
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arch/um/kernel/dtb.c
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@ -31,6 +31,7 @@ void uml_dtb_init(void)
static int __init uml_dtb_setup(char *line, int *add)
{
*add = 0;
dtb = line;
return 0;
}