| From | Kamal Mostafa <> | Subject | [PATCH 3.19.y-ckt 098/160] spi: fix parent-device reference leak | Date | Tue, 19 Jan 2016 17:06:16 -0800 |
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3.19.8-ckt13 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Johan Hovold <johan@kernel.org>
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@kernel.org> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2ebe805..346a20a 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1509,7 +1509,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size) 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; -- 1.9.1
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