Patch "power: reset: hisi-reboot: Unmap region obtained by of_iomap" has been added to the 4.4-stable tree

Patch "power: reset: hisi-reboot: Unmap region obtained by of_iomap" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    power: reset: hisi-reboot: Unmap region obtained by of_iomap

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     power-reset-hisi-reboot-unmap-region-obtained-by-of_iomap.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From bae170efd6c42bf116f513a1dd07639d68fa71b9 Mon Sep 17 00:00:00 2001
From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Fri, 12 Aug 2016 20:49:18 +0530
Subject: power: reset: hisi-reboot: Unmap region obtained by of_iomap

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

commit bae170efd6c42bf116f513a1dd07639d68fa71b9 upstream.

Free memory mapping, if probe is not successful.

Fixes: 4a9b37371822 ("power: reset: move hisilicon reboot code")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/power/reset/hisi-reboot.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/power/reset/hisi-reboot.c
+++ b/drivers/power/reset/hisi-reboot.c
@@ -53,13 +53,16 @@ static int hisi_reboot_probe(struct plat
 
 	if (of_property_read_u32(np, "reboot-offset", &reboot_offset) < 0) {
 		pr_err("failed to find reboot-offset property\n");
+		iounmap(base);
 		return -EINVAL;
 	}
 
 	err = register_restart_handler(&hisi_restart_nb);
-	if (err)
+	if (err) {
 		dev_err(&pdev->dev, "cannot register restart handler (err=%d)\n",
 			err);
+		iounmap(base);
+	}
 
 	return err;
 }


Patches currently in stable-queue which might be from arvind.yadav.cs@gmail.com are

queue-4.4/power-reset-hisi-reboot-unmap-region-obtained-by-of_iomap.patch