diff options
| author | David S. Miller <davem@davemloft.net> | 2014-07-16 14:09:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-16 14:09:34 -0700 |
| commit | 1a98c69af1ecd97bfd1f4e4539924a9192434e36 (patch) | |
| tree | a243defcf921ea174f8e43fce11d06830a6a9c36 /drivers/of/fdt.c | |
| parent | 7a575f6b907ea5d207d2b5010293c189616eae34 (diff) | |
| parent | b6603fe574af289dbe9eb9fb4c540bca04f5a053 (diff) | |
| download | kernel_replicant_linux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.tar.gz kernel_replicant_linux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.tar.bz2 kernel_replicant_linux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/of/fdt.c')
| -rw-r--r-- | drivers/of/fdt.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index c4cddf0cd96d..b777d8f46bd5 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -880,6 +880,21 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) const u64 phys_offset = __pa(PAGE_OFFSET); base &= PAGE_MASK; size &= PAGE_MASK; + + if (sizeof(phys_addr_t) < sizeof(u64)) { + if (base > ULONG_MAX) { + pr_warning("Ignoring memory block 0x%llx - 0x%llx\n", + base, base + size); + return; + } + + if (base + size > ULONG_MAX) { + pr_warning("Ignoring memory range 0x%lx - 0x%llx\n", + ULONG_MAX, base + size); + size = ULONG_MAX - base; + } + } + if (base + size < phys_offset) { pr_warning("Ignoring memory block 0x%llx - 0x%llx\n", base, base + size); |