EDAC, skx_edac: Fix logical channel intermediate decoding
authorQiuxu Zhuo <qiuxu.zhuo@intel.com>
Tue, 9 Oct 2018 17:20:25 +0000 (10:20 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 13 Nov 2018 19:15:06 +0000 (11:15 -0800)
commit074df512d4d02eaf793ffddf46ab45cdaba374e1
tree0d765ba632664b30a388750795eee529ca188ac2
parent65ce0542891852aa680a5478e091ea2f9adec7d8
EDAC, skx_edac: Fix logical channel intermediate decoding

commit 8f18973877204dc8ca4ce1004a5d28683b9a7086 upstream.

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 <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Aristeu Rozanski <aris@redhat.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-edac <linux-edac@vger.kernel.org>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20181009172025.18594-1-tony.luck@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/edac/skx_edac.c