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path: root/drivers/firmware/efi/esrt.c
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Diffstat (limited to 'drivers/firmware/efi/esrt.c')
-rw-r--r--drivers/firmware/efi/esrt.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c
index 2a2f52b017e7..87729c365be1 100644
--- a/drivers/firmware/efi/esrt.c
+++ b/drivers/firmware/efi/esrt.c
@@ -247,7 +247,7 @@ void __init efi_esrt_init(void)
int rc;
phys_addr_t end;
- if (!efi_enabled(EFI_MEMMAP))
+ if (!efi_enabled(EFI_MEMMAP) && !efi_enabled(EFI_PARAVIRT))
return;
pr_debug("esrt-init: loading.\n");
@@ -258,20 +258,15 @@ void __init efi_esrt_init(void)
if (rc < 0 ||
(!(md.attribute & EFI_MEMORY_RUNTIME) &&
md.type != EFI_BOOT_SERVICES_DATA &&
- md.type != EFI_RUNTIME_SERVICES_DATA)) {
+ md.type != EFI_RUNTIME_SERVICES_DATA &&
+ md.type != EFI_ACPI_RECLAIM_MEMORY &&
+ md.type != EFI_ACPI_MEMORY_NVS)) {
pr_warn("ESRT header is not in the memory map.\n");
return;
}
- max = efi_mem_desc_end(&md);
- if (max < efi.esrt) {
- pr_err("EFI memory descriptor is invalid. (esrt: %p max: %p)\n",
- (void *)efi.esrt, (void *)max);
- return;
- }
-
+ max = efi_mem_desc_end(&md) - efi.esrt;
size = sizeof(*esrt);
- max -= efi.esrt;
if (max < size) {
pr_err("ESRT header doesn't fit on single memory map entry. (size: %zu max: %zu)\n",