qiurui
/
linux-kernelorg-stable
mirror of https://kernel.googlesource.com/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

phy: ti-pipe3: fix device leak at unbind 

Make sure to drop the reference to the control device taken by
of_find_device_by_node() during probe when the driver is unbound.

Fixes: 918ee0d21b ("usb: phy: omap-usb3: Don't use omap_get_control_dev()")
Cc: stable@vger.kernel.org	# 3.13
Cc: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20250724131206.2211-4-johan@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Johan Hovold 2025-07-24 15:12:06 +02:00 committed by Vinod Koul
parent 64961557ef
commit e19bcea997
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/phy/ti/phy-ti-pipe3.c
View File

@ -667,12 +667,20 @@ static int ti_pipe3_get_clk(struct ti_pipe3 *phy)
return 0;
}
static void ti_pipe3_put_device(void *_dev)
{
struct device *dev = _dev;
put_device(dev);
}
static int ti_pipe3_get_sysctrl(struct ti_pipe3 *phy)
{
struct device *dev = phy->dev;
struct device_node *node = dev->of_node;
struct device_node *control_node;
struct platform_device *control_pdev;
int ret;
phy->phy_power_syscon = syscon_regmap_lookup_by_phandle(node,
"syscon-phy-power");
@ -704,6 +712,11 @@ static int ti_pipe3_get_sysctrl(struct ti_pipe3 *phy)
}
phy->control_dev = &control_pdev->dev;
ret = devm_add_action_or_reset(dev, ti_pipe3_put_device,
phy->control_dev);
if (ret)
return ret;
}
if (phy->mode == PIPE3_MODE_PCIE) {