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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-14 02:26:47 +0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-14 02:26:47 +0400 |
commit | 9f48c89862e39b7f33b44123fc425cf901c89428 (patch) | |
tree | 373886606ada8c2e0c362afbcce490af27d21552 /drivers/of/fdt.c | |
parent | 2a211f320ee3d86835b40efd2948642482d3c933 (diff) | |
parent | 1795cd9b3a91d4b5473c97f491d63892442212ab (diff) | |
download | linux-9f48c89862e39b7f33b44123fc425cf901c89428.tar.xz |
Merge 3.16-rc5 into char-misc-next
This resolves a number of merge issues with changes in this tree and
Linus's tree at the same time.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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); |