netdev - [PATCH 14/15] ethernet: stmicro: stmmac: stmmac_platform: add missing of_node_put after calling of_parse

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Date:	Wed, 27 Jul 2016 10:20:47 +0800
From:	Peter Chen <peter.chen@....com>
To:	<davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <vbridger@...nsource.altera.com>,
	<isubramanian@....com>, <kchudgar@....com>,
	<yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>,
	<thomas.petazzoni@...e-electrons.com>,
	<sergei.shtylyov@...entembedded.com>, <peppe.cavallaro@...com>,
	<alexandre.torgue@...com>, <mugunthanvnm@...com>,
	<tremyfr@...il.com>, <wxt@...k-chips.com>, <arnd@...db.de>,
	<david.daney@...ium.com>, <huangdaode@...ilicon.com>,
	<jszhang@...vell.com>, Peter Chen <peter.chen@....com>
Subject: [PATCH 14/15] ethernet: stmicro: stmmac: stmmac_platform: add missing of_node_put after calling of_parse_phandle

of_node_put needs to be called when the device node which is got
from of_parse_phandle has finished using.

Signed-off-by: Peter Chen <peter.chen@....com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index f7dfc0a..8d88782 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -113,8 +113,10 @@ static struct stmmac_axi *stmmac_axi_setup(struct platform_device *pdev)
 		return NULL;
 
 	axi = kzalloc(sizeof(*axi), GFP_KERNEL);
-	if (!axi)
+	if (!axi) {
+		of_node_put(np);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	axi->axi_lpi_en = of_property_read_bool(np, "snps,lpi_en");
 	axi->axi_xit_frm = of_property_read_bool(np, "snps,xit_frm");
@@ -127,6 +129,7 @@ static struct stmmac_axi *stmmac_axi_setup(struct platform_device *pdev)
 	of_property_read_u32(np, "snps,wr_osr_lmt", &axi->axi_wr_osr_lmt);
 	of_property_read_u32(np, "snps,rd_osr_lmt", &axi->axi_rd_osr_lmt);
 	of_property_read_u32_array(np, "snps,blen", axi->axi_blen, AXI_BLEN);
+	of_node_put(np);
 
 	return axi;
 }
-- 
1.9.1