From be3036d220c9f9350c9da92e9b4e66855cf90889 Mon Sep 17 00:00:00 2001
From: Aristeu Rozanski <arozansk@redhat.com>
Date: Wed, 30 Oct 2013 13:27:05 -0300
Subject: sb_edac: avoid decoding the same error multiple times

Whenever the extended error reporting is active, multiple MCEs will be
generated for the same event, which will lead to multiple repeated
errors to be reported. So check ADDRV and only decode the error if the
MCE address is valid.

Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 7f79511..90a62ff 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1427,6 +1427,10 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
 		}
 	}
 
+	/* Only decode errors with an valid address (ADDRV) */
+	if (!GET_BITFIELD(m->status, 58, 58))
+		return;
+
 	rc = get_memory_error_data(mci, m->addr, &socket,
 				   &channel_mask, &rank, &area_type, msg);
 	if (rc < 0)
-- 
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