Commit fb399b48 authored Jul 28, 2016 by zijun_hu Committed by Linus Torvalds Jul 28, 2016

mm/memblock.c: fix index adjustment error in __next_mem_range_rev()



Fix region index adjustment error when parameter type_b of
__next_mem_range_rev() == NULL.

Signed-off-by: zijun_hu <zijun_hu@htc.com>
Cc: Alexander Kuleshov <kuleshovmail@gmail.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Wei Yang <weiyang@linux.vnet.ibm.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Richard Leitner <dev@g0hl1n.net>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 394e31d2

mm/memblock.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -1027,7 +1027,7 @@ void __init_memblock __next_mem_range_rev(u64 *idx, int nid, ulong flags,
	*out_end = m_end;		*out_end = m_end;
	if (out_nid)		if (out_nid)
	*out_nid = m_nid;		*out_nid = m_nid;
	idx_a++;		idx_a--;
	*idx = (u32)idx_a \| (u64)idx_b << 32;		*idx = (u32)idx_a \| (u64)idx_b << 32;
	return;		return;
	}		}

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