linux-kernel - [PATCH] power: reset: zx-reboot: Unmap region obtained by of

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Message-ID: <57d92f28.8796620a.e4584.df58@mx.google.com>
Date:   Wed, 14 Sep 2016 16:35:31 +0530
From:   arvind.yadav.cs@...il.com
To:     sre@...nel.org, dbaryshkov@...il.com, dwmw2@...radead.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Arvind Yadav <arvind.yadav.cs@...il.com>
Subject: [PATCH] power: reset: zx-reboot: Unmap region obtained by of_iomap

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

Free memory mapping, if probe is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/power/reset/zx-reboot.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/power/reset/zx-reboot.c b/drivers/power/reset/zx-reboot.c
index a5b0096..b0b1eb3 100644
--- a/drivers/power/reset/zx-reboot.c
+++ b/drivers/power/reset/zx-reboot.c
@@ -58,9 +58,12 @@ static int zx_reboot_probe(struct platform_device *pdev)
 	}
 
 	err = register_restart_handler(&zx_restart_nb);
-	if (err)
+	if (err) {
+		iounmap(base);
+		iounmap(pcu_base);
 		dev_err(&pdev->dev, "Register restart handler failed(err=%d)\n",
 			err);
+	}
 
 	return err;
 }
-- 
1.7.9.5