[PATCH 2/2] phy: zynqmp: fix runtime PM leak on probe allocation failure
Michal Simek
michal.simek at amd.com
Mon Jul 20 22:39:28 PDT 2026
On 7/20/26 17:38, Radhey Shyam Pandey wrote:
> Allocate saved_regs before pm_runtime_resume_and_get() so a
> devm_kmalloc() failure does not leave an unreleased runtime PM usage
> counter.
>
> Fixes: 5af9b304bc60 ("phy: xilinx: phy-zynqmp: Fix SGMII linkup failure on resume")
> Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey at amd.com>
> ---
> drivers/phy/xilinx/phy-zynqmp.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/phy/xilinx/phy-zynqmp.c b/drivers/phy/xilinx/phy-zynqmp.c
> index c8230f2bda62..2138f5399821 100644
> --- a/drivers/phy/xilinx/phy-zynqmp.c
> +++ b/drivers/phy/xilinx/phy-zynqmp.c
> @@ -1044,6 +1044,12 @@ static int xpsgtr_probe(struct platform_device *pdev)
> return PTR_ERR(provider);
> }
>
> + gtr_dev->saved_regs = devm_kmalloc(gtr_dev->dev,
> + sizeof(save_reg_address),
> + GFP_KERNEL);
> + if (!gtr_dev->saved_regs)
> + return -ENOMEM;
> +
> pm_runtime_set_active(gtr_dev->dev);
> pm_runtime_enable(gtr_dev->dev);
>
> @@ -1053,12 +1059,6 @@ static int xpsgtr_probe(struct platform_device *pdev)
> return ret;
> }
>
> - gtr_dev->saved_regs = devm_kmalloc(gtr_dev->dev,
> - sizeof(save_reg_address),
> - GFP_KERNEL);
> - if (!gtr_dev->saved_regs)
> - return -ENOMEM;
> -
> return 0;
> }
>
Reviewed-by: Michal Simek <michal.simek at amd.com>
Thanks,
Michal
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