EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback

[ Upstream commit c4fc1956fa31003bfbe4f597e359d751568e2954 ]

Both of these drivers can return NOTIFY_BAD, but this terminates
processing other callbacks that were registered later on the chain.
Since the driver did nothing to log the error it seems wrong to prevent
other interested parties from seeing it. E.g. neither of them had even
bothered to check the type of the error to see if it was a memory error
before the return NOTIFY_BAD.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Aristeu Rozanski <aris@redhat.com>
Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/72937355dd92318d2630979666063f8a2853495b.1461864507.git.tony.luck@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 9cd0b301f81ba5a5a3fb52dfcc87ef337d7bcb41..f84ef75b6487f9f4e41fa2b14761ac98acd68548 100644 (file)
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1874,7 +1874,7 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val,
 
        i7_dev = get_i7core_dev(mce->socketid);
        if (!i7_dev)
-               return NOTIFY_BAD;
+               return NOTIFY_DONE;
 
        mci = i7_dev->mci;
        pvt = mci->pvt_info;

diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 6251a0aeadcb0d083aa2af6b9fd9f2606d0b87f7..6aa25a3aa2c73830088c558fea3f04d52fd5891f 100644 (file)
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -2047,7 +2047,7 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
 
        mci = get_mci_for_node_id(mce->socketid);
        if (!mci)
-               return NOTIFY_BAD;
+               return NOTIFY_DONE;
        pvt = mci->pvt_info;
 
        /*