[PATCH] phy: usb: Fix USB 2.0 clock reference leak in brcm_usb_phy_dvr_init()

[Manivannan Sadhasivam]

On Thu, Sep 17, 2026 at 01:35:10PM +0000, Wentao Liang wrote:
> brcm_usb_phy_dvr_init() obtains usb_20_clk with of_clk_get_by_name(),
> which takes a reference on the clock, but several later error returns
> -- a failed clk_prepare_enable(), a failed devm_phy_create(), the
> -EPROBE_DEFER paths of usb_30_clk and suspend_clk, and a failed
> devm_request_irq() -- return without calling clk_put().  No other code
> in the driver releases it either.
> 
> Add an err_put_clks label that drops the reference before returning.
> 
> Fixes: 49859e55e364 ("phy: usb: phy-brcm-usb: Add Broadcom STB USB phy driver")
> Cc: stable at vger.kernel.org
> Signed-off-by: Wentao Liang <vulab at iscas.ac.cn>

Duplicate of https://lore.kernel.org/linux-phy/20260913012956.16443-1-mhun512@gmail.com

- Mani

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