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Subject[PATCH 4.9 056/104] mips: ath79: clock:- Unmap region obtained by of_iomap
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

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

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


[ Upstream commit b3d91db3f71d5f70ea60d900425a3f96aeb3d065 ]

Free memory mapping, if ath79_clocks_init_dt_ng is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Fixes: 3bdf1071ba7d ("MIPS: ath79: update devicetree clock support for AR9132")
Cc: antonynpavlov@gmail.com
Cc: albeu@free.fr
Cc: hackpascal@gmail.com
Cc: sboyd@codeaurora.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14915/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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);


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