This fixes a NULL pointer derefence on an Acer Aspire E14 ES1-432-P06A. The IP in the kernel panic trace points to acpi_ds_load1_begin_op+0xde/0x283, which translates to the dereference of walk_state->scope_info in that function. --- drivers/acpi/acpica/dswload.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index fd34040..17406ab 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -246,7 +246,8 @@ acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state, acpi_ut_get_type_name(node->type))); node->type = ACPI_TYPE_ANY; - walk_state->scope_info->common.value = ACPI_TYPE_ANY; + if (walk_state->scope_info) + walk_state->scope_info->common.value = ACPI_TYPE_ANY; break; case ACPI_TYPE_METHOD: -- 2.8.1 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
