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-rw-r--r--arch/x86/kernel/check.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index 2ac0ab71412..fc999e6fc46 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -83,15 +83,15 @@ void __init setup_bios_corruption_check(void)
u64 size;
addr = find_e820_area_size(addr, &size, PAGE_SIZE);
- if (addr == 0)
+ if (!(addr + 1))
+ break;
+
+ if (addr >= corruption_check_size)
break;
if ((addr + size) > corruption_check_size)
size = corruption_check_size - addr;
- if (size == 0)
- break;
-
e820_update_range(addr, size, E820_RAM, E820_RESERVED);
scan_areas[num_scan_areas].addr = addr;
scan_areas[num_scan_areas].size = size;