diff options
| -rw-r--r-- | arch/arm64/kernel/efi.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index a98415b5979c..c9cb0fbe7aa4 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -229,19 +229,21 @@ static int __init arm64_enable_runtime_services(void) return -1; } - mapsize = memmap.map_end - memmap.map; - if (efi_runtime_disabled()) { pr_info("EFI runtime services will be disabled.\n"); return -1; } pr_info("Remapping and enabling EFI services.\n"); - /* replace early memmap mapping with permanent mapping */ + + mapsize = memmap.map_end - memmap.map; memmap.map = (__force void *)ioremap_cache((phys_addr_t)memmap.phys_map, mapsize); + if (!memmap.map) { + pr_err("Failed to remap EFI memory map\n"); + return -1; + } memmap.map_end = memmap.map + mapsize; - efi.memmap = &memmap; efi.systab = (__force void *)ioremap_cache(efi_system_table, |