linux-kernel - [PATCH 4.9 056/104] mips: ath79: clock:- Unmap region obtained by of

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Date:   Fri,  6 Oct 2017 10:51:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Arvind Yadav <arvind.yadav.cs@...il.com>,
        antonynpavlov@...il.com, albeu@...e.fr, hackpascal@...il.com,
        sboyd@...eaurora.org, linux-mips@...ux-mips.org,
        Ralf Baechle <ralf@...ux-mips.org>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 056/104] mips: ath79: clock:- Unmap region obtained by of_iomap

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arvind Yadav <arvind.yadav.cs@...il.com>


[ Upstream commit b3d91db3f71d5f70ea60d900425a3f96aeb3d065 ]

Free memory mapping, if ath79_clocks_init_dt_ng is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
Fixes: 3bdf1071ba7d ("MIPS: ath79: update devicetree clock support for AR9132")
Cc: antonynpavlov@...il.com
Cc: albeu@...e.fr
Cc: hackpascal@...il.com
Cc: sboyd@...eaurora.org
Cc: linux-mips@...ux-mips.org
Cc: linux-kernel@...r.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14915/
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/mips/ath79/clock.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -508,16 +508,19 @@ static void __init ath79_clocks_init_dt_
 		ar9330_clk_init(ref_clk, pll_base);
 	else {
 		pr_err("%s: could not find any appropriate clk_init()\n", dnfn);
-		goto err_clk;
+		goto err_iounmap;
 	}
 
 	if (of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data)) {
 		pr_err("%s: could not register clk provider\n", dnfn);
-		goto err_clk;
+		goto err_iounmap;
 	}
 
 	return;
 
+err_iounmap:
+	iounmap(pll_base);
+
 err_clk:
 	clk_put(ref_clk);