Re: [PATCH] usb: phy: add missing put_device() call in tegra_usb_phy_parse_pmc()

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07.12.2021 15:56, Qing Wang пишет:
> From: Wang Qing <wangqing@xxxxxxxx>
> 
> of_find_device_by_node() takes a reference to the embedded struct device 
> which needs to be dropped when error return.
> 
> Add a jump target to fix the exception handling for this 
> function implementation.
> 
> Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
> ---
>  drivers/usb/phy/phy-tegra-usb.c | 18 +++++++++++++-----
>  1 file changed, 13 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
> index 68cd4b6..5678b7f
> --- a/drivers/usb/phy/phy-tegra-usb.c
> +++ b/drivers/usb/phy/phy-tegra-usb.c
> @@ -1300,18 +1300,26 @@ static int tegra_usb_phy_parse_pmc(struct device *dev,
>  	err = devm_add_action_or_reset(dev, tegra_usb_phy_put_pmc_device,
>  				       &pmc_pdev->dev);

This devm_add_action_or_reset() takes care of dropping the reference.
This patch is incorrect.



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