From: Johan Hovold Date: Mon, 14 Dec 2015 15:16:19 +0000 (+0100) Subject: spi: fix parent-device reference leak X-Git-Tag: firefly_0821_release~176^2~537^2~1^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=157f38f993919b648187ba341bfb05d0e91ad2f6;p=firefly-linux-kernel-4.4.55.git spi: fix parent-device reference leak 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 Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index e2415be209d5..7bf25274ad78 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1704,7 +1704,7 @@ 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;