Commit 5d357040 authored by Magnus Damm's avatar Magnus Damm Committed by Linus Torvalds

[PATCH] i386: srat on non-acpi hw fix

This patch adds a check for the return value of acpi_find_root_pointer().
Without this patch systems without ACPI support such as QEMU crashes when
booting a NUMA kernel with CONFIG_ACPI_SRAT=y.
Signed-off-by: default avatarMagnus Damm <magnus@valinux.co.jp>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 6c180d94
......@@ -327,7 +327,12 @@ int __init get_memcfg_from_srat(void)
int tables = 0;
int i = 0;
acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING, rsdp_address);
if (ACPI_FAILURE(acpi_find_root_pointer(ACPI_PHYSICAL_ADDRESSING,
rsdp_address))) {
printk("%s: System description tables not found\n",
__FUNCTION__);
goto out_err;
}
if (rsdp_address->pointer_type == ACPI_PHYSICAL_POINTER) {
printk("%s: assigning address to rsdp\n", __FUNCTION__);
......
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