From: Libo Chen <clbchenlibo.chen@huawei.com>
Date: Fri, 17 May 2013 05:21:31 +0000 (+0000)
Subject: MIPS: Xway: Fix clk leak
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bda97ed39b075e8ac125d4af7cdf60ca19449a16;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

MIPS: Xway: Fix clk leak

When gptu_r32 fails, we should put clk before returning.

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: grant.likely@linaro.org
Cc: rob.herring@calxeda.com,
Cc: linux-mips@linux-mips.org
Cc: LKML linux-kernel@vger.kernel.org
Cc: Andrew Morton akpm@linux-foundation.org
Cc: Li Zefan lizefan@huawei.com
Patchwork: https://patchwork.linux-mips.org/patch/5247/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c
index 9861c8669fab..4fa577c1ddfd 100644
--- a/arch/mips/lantiq/xway/gptu.c
+++ b/arch/mips/lantiq/xway/gptu.c
@@ -169,6 +169,8 @@ static int gptu_probe(struct platform_device *pdev)
 	if (((gptu_r32(GPTU_ID) >> 8) & 0xff) != GPTU_MAGIC) {
 		dev_err(&pdev->dev, "Failed to find magic\n");
 		gptu_hwexit();
+		clk_disable(clk);
+		clk_put(clk);
 		return -ENAVAIL;
 	}