On Wed, Oct 30, 2024 at 06:31:39PM +0200, Andy Shevchenko wrote:
> Even if it's not critical, the avoidance of checking the error code
> from devm_mutex_init() call today diminishes the point of using devm
> variant of it. Tomorrow it may even leak something. Add the missed
> check.
>
> Fixes: 9b3da6e19e4d ("PCI/bwctrl: Add pcie_set_target_speed() to set PCIe Link Speed")
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Squashed into 399ba413fa23 ("PCI/bwctrl: Add pcie_set_target_speed()
to set PCIe Link Speed"), thanks, Andy.
> ---
> drivers/pci/pcie/bwctrl.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/pcie/bwctrl.c b/drivers/pci/pcie/bwctrl.c
> index 3a93ed0550c7..2a19e441a901 100644
> --- a/drivers/pci/pcie/bwctrl.c
> +++ b/drivers/pci/pcie/bwctrl.c
> @@ -299,7 +299,10 @@ static int pcie_bwnotif_probe(struct pcie_device *srv)
> if (!data)
> return -ENOMEM;
>
> - devm_mutex_init(&srv->device, &data->set_speed_mutex);
> + ret = devm_mutex_init(&srv->device, &data->set_speed_mutex);
> + if (ret)
> + return ret;
> +
> ret = devm_request_threaded_irq(&srv->device, srv->irq, NULL,
> pcie_bwnotif_irq_thread,
> IRQF_SHARED | IRQF_ONESHOT,
> --
> 2.43.0.rc1.1336.g36b5255a03ac
>
