From: Ding Xiang <dingxiang@cmss.chinamobile.com>
Date: Thu, 6 Sep 2018 04:19:19 +0000 (+0800)
Subject: mips: txx9: fix iounmap related issue
X-Git-Tag: v4.9.203~183
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=782f1f81e7a4bd76b9667a37dd56de148d693f49;p=platform%2Fkernel%2Flinux-amlogic.git

mips: txx9: fix iounmap related issue

[ Upstream commit c6e1241a82e6e74d1ae5cc34581dab2ffd6022d0 ]

if device_register return error, iounmap should be called, also iounmap
need to call before put_device.

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/20476/
Cc: ralf@linux-mips.org
Cc: jhogan@kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index a1d98b5c8fd6..5c53b8aa43d2 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -959,12 +959,11 @@ void __init txx9_sramc_init(struct resource *r)
 		goto exit_put;
 	err = sysfs_create_bin_file(&dev->dev.kobj, &dev->bindata_attr);
 	if (err) {
-		device_unregister(&dev->dev);
 		iounmap(dev->base);
-		kfree(dev);
+		device_unregister(&dev->dev);
 	}
 	return;
 exit_put:
+	iounmap(dev->base);
 	put_device(&dev->dev);
-	return;
 }