From f50c051f09223bb7c7ead72828054156beb7b030 Mon Sep 17 00:00:00 2001
From: Ioana Radulescu <ruxandra.radulescu@freescale.com>
Date: Fri, 4 Oct 2013 12:51:22 +0300
Subject: dpaa_eth: Fix freeing of global buffer pool

In case an error is encountered during probe, don't actually free
the structure containing global buffer pool information unless its
reference count has reached zero.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@freescale.com>
Change-Id: Ica7b995ecf31a878a9e7685ec905119f1c38f17b
Reviewed-on: http://git.am.freescale.net:8181/5186
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com>
Reviewed-by: Cristian-Constantin Sovaiala <Cristian.Sovaiala@freescale.com>
Reviewed-by: Rivera Jose-B46482 <German.Rivera@freescale.com>

diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpa/dpaa_eth.c
index 7e04f25..9cd3214 100644
--- a/drivers/net/ethernet/freescale/dpa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth.c
@@ -862,7 +862,8 @@ mac_probe_failed:
 	if (net_dev)
 		free_netdev(net_dev);
 alloc_etherdev_mq_failed:
-	devm_kfree(dev, dpa_bp);
+	if (atomic_read(&dpa_bp->refs) == 0)
+		devm_kfree(dev, dpa_bp);
 
 	return err;
 }
-- 
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