diff options
-rw-r--r-- | drivers/of/fdt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 535124670257..83a8e1154602 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -928,6 +928,11 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) const u64 phys_offset = __pa(PAGE_OFFSET); if (!PAGE_ALIGNED(base)) { + if (size < PAGE_SIZE - (base & ~PAGE_MASK)) { + pr_warn("Ignoring memory block 0x%llx - 0x%llx\n", + base, base + size); + return; + } size -= PAGE_SIZE - (base & ~PAGE_MASK); base = PAGE_ALIGN(base); } |