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EDAC, skx_edac: Fix logical channel intermediate decoding

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The code "lchan = (lchan << 1) | ~lchan" for logical channel
intermediate decoding is wrong. The wrong intermediate decoding
result is {0xffffffff, 0xfffffffe}.

Fix it by replacing '~' with '!'. The correct intermediate
decoding result is {0x1, 0x2}.

Signed-off-by: Qiuxu Zhuo <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
CC: Aristeu Rozanski <[email protected]>
CC: Mauro Carvalho Chehab <[email protected]>
CC: linux-edac <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
This commit is contained in:
Qiuxu Zhuo 2018-10-09 10:20:25 -07:00 • committed by Borislav Petkov
commit 8f18973877
1 changed files with 1 additions and 1 deletions
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2
drivers/edac/skx_edac.c
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@ -668,7 +668,7 @@ sad_found:
break;
case 2:
lchan = (addr >> shift) % 2;
lchan = (lchan << 1) | ~lchan;
lchan = (lchan << 1) | !lchan;
break;
case 3:
lchan = ((addr >> shift) % 2) << 1;