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

commit c4fc1956fa31003bfbe4f597e359d751568e2954 upstream.

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>
Link: http://lkml.kernel.org/r/72937355dd92318d2630979666063f8a2853495b.1461864507.git.tony.luck@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 01087a38da226d08bd7e08da5a183885fbf420b1..792bdae2b91dfcf28a8a7fca199212d4990aa8af 100644 (file)
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1866,7 +1866,7 @@ 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 90c3fe99c786af889f80c92a99706614bc1bae2b..37649221f81cace9767458769aa5b05f8a5fa8a5 100644 (file)
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -2254,7 +2254,7 @@ 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;
 
        /*