[Linaro-acpi] [PATCH 2/4] ARM: ACPI: insert WARN_ON to make error condition more obvious

From: Al Stone ahs3@redhat.com

This patch just makes it painfully obvious when the RSDP cannot be found.

Signed-off-by: Al Stone al.stone@linaro.org --- drivers/acpi/acpica/tbxface.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index ad11162..41aebe6 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -137,6 +137,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array, if (!rsdp_address) { return_ACPI_STATUS(AE_NOT_FOUND); } + WARN_ON(rsdp_address == 0);

/* * Get the root table (RSDT or XSDT) and extract all entries to the local