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Fix keyboard and kernel null pointer on Honor FMB-P(aka Honor Magic 14 Pro) #16

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Merged
MingcongBai merged 2 commits into from
Dec 3, 2025
Merged

Fix keyboard and kernel null pointer on Honor FMB-P(aka Honor Magic 14 Pro) #16

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56e8ecb
FROMLIST: Input: atkbd - skip deactivate for HONOR FMB-P's internal k…
Cryolitia Oct 22, 2025
931acb3
UPSTREAM: ACPICA: Avoid walking the Namespace if start_node is NULL
Cryolitia Nov 25, 2025
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9 changes: 6 additions & 3 deletions drivers/acpi/acpica/nswalk.c
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Original file line number Diff line number Diff line change
Expand Up @@ -169,9 +169,12 @@ acpi_ns_walk_namespace(acpi_object_type type,

if (start_node == ACPI_ROOT_OBJECT) {
start_node = acpi_gbl_root_node;
if (!start_node) {
return_ACPI_STATUS(AE_NO_NAMESPACE);
}
}

/* Avoid walking the namespace if the StartNode is NULL */

if (!start_node) {
return_ACPI_STATUS(AE_NO_NAMESPACE);
}

/* Null child means "get first node" */
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7 changes: 7 additions & 0 deletions drivers/input/keyboard/atkbd.c
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Expand Up @@ -1958,6 +1958,13 @@ static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
},
.callback = atkbd_deactivate_fixup,
},
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HONOR"),
DMI_MATCH(DMI_PRODUCT_NAME, "FMB-P"),
},
.callback = atkbd_deactivate_fixup,
},
{ }
};

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