On Mon, 08 May 2023 12:36:41 +0800, Junyan Ye wrote: > Smatch reported: > 1. drivers/pci/controller/pci-ftpci100.c:526 faraday_pci_probe() warn: > 'clk' from clk_prepare_enable() not released on lines: 442,451,462,478,512,517. > 2. drivers/pci/controller/pci-ftpci100.c:526 faraday_pci_probe() warn: > 'p->bus_clk' from clk_prepare_enable() not released on lines: 451,462,478,512,517. > > The clock resource is obtained by devm_clk_get(), and then > clk_prepare_enable() makes the clock resource ready for use. After that, > clk_disable_unprepare() should be called to release the clock resource > when it is no longer needed. However, while doing some error handling > in faraday_pci_probe(), clk_disable_unprepare() is not called to release > clk and p->bus_clk before returning. These return lines are exactly 442, > 451, 462, 478, 512, 517. > > [...] Applied to pci/ftpci100, thanks! [1/1] pci: controller: pci-ftpci100: Release the clock resources https://git.kernel.org/pci/pci/c/c60738de85f4 Thanks, Lorenzo