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amd64_edac: Fix interleaving check

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When matching error address to the range contained by one memory node,
we're in valid range when node interleaving

1. is disabled, or
2. enabled and when the address bits we interleave on match the
interleave selector on this node (see the "Node Interleaving" section in
the BKDG for an enlightening example).

Thus, when we early-exit, we need to reverse the compound logic
statement properly.

Cc: <stable@kernel.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This commit is contained in:
Borislav Petkov 2010-12-06 16:20:25 +01:00
parent 76f04f2591
commit e726f3c368
1 changed files with 1 additions and 1 deletions
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drivers/edac/amd64_edac.c
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@ -1572,7 +1572,7 @@ static int f10_match_to_this_node(struct amd64_pvt *pvt, int dram_range,
debugf1(" HoleOffset=0x%x HoleValid=0x%x IntlvSel=0x%x\n",
hole_off, hole_valid, intlv_sel);
if (intlv_en ||
if (intlv_en &&
(intlv_sel != ((sys_addr >> 12) & intlv_en)))
return -EINVAL;