This is a note to let you know that I've just added the patch titled
spi: fix parent-device reference leak
to the 4.3-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:
spi-fix-parent-device-reference-leak.patch
and it can be found in the queue-4.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 157f38f993919b648187ba341bfb05d0e91ad2f6 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@xxxxxxxxxx>
Date: Mon, 14 Dec 2015 16:16:19 +0100
Subject: spi: fix parent-device reference leak
From: Johan Hovold <johan@xxxxxxxxxx>
commit 157f38f993919b648187ba341bfb05d0e91ad2f6 upstream.
Fix parent-device reference leak due to SPI-core taking an unnecessary
reference to the parent when allocating the master structure, a
reference that was never released.
Note that driver core takes its own reference to the parent when the
master device is registered.
Fixes: 49dce689ad4e ("spi doesn't need class_device")
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1627,7 +1627,7 @@ struct spi_master *spi_alloc_master(stru
master->bus_num = -1;
master->num_chipselect = 1;
master->dev.class = &spi_master_class;
- master->dev.parent = get_device(dev);
+ master->dev.parent = dev;
spi_master_set_devdata(master, &master[1]);
return master;
Patches currently in stable-queue which might be from johan@xxxxxxxxxx are
queue-4.3/spi-fix-parent-device-reference-leak.patch
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