Hi Christophe,
On Mon, May 20, 2024 at 3:42 AM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> Some resources freed in the remove function are not handled by the error
> handling path of the probe.
>
> Add the needed function calls.
>
> Fixes: c2b636b3f788 ("Bluetooth: btintel_pcie: Add support for PCIe transport")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> Compile tested only.
> Maybe incomplete.
> ---
> drivers/bluetooth/btintel_pcie.c | 20 ++++++++++++++------
> 1 file changed, 14 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
> index 5b6805d87fcf..d572576d0dbc 100644
> --- a/drivers/bluetooth/btintel_pcie.c
> +++ b/drivers/bluetooth/btintel_pcie.c
> @@ -1280,17 +1280,17 @@ static int btintel_pcie_probe(struct pci_dev *pdev,
>
> err = btintel_pcie_config_pcie(pdev, data);
> if (err)
> - goto exit_error;
> + goto exit_destroy_worqueue;
>
> pci_set_drvdata(pdev, data);
>
> err = btintel_pcie_alloc(data);
> if (err)
> - goto exit_error;
> + goto exit_free_irq_vectors;
>
> err = btintel_pcie_enable_bt(data);
> if (err)
> - goto exit_error;
> + goto exit_free_pcie;
>
> /* CNV information (CNVi and CNVr) is in CSR */
> data->cnvi = btintel_pcie_rd_reg32(data, BTINTEL_PCIE_CSR_HW_REV_REG);
> @@ -1299,17 +1299,25 @@ static int btintel_pcie_probe(struct pci_dev *pdev,
>
> err = btintel_pcie_start_rx(data);
> if (err)
> - goto exit_error;
> + goto exit_free_pcie;
>
> err = btintel_pcie_setup_hdev(data);
> if (err)
> - goto exit_error;
> + goto exit_free_pcie;
>
> bt_dev_dbg(data->hdev, "cnvi: 0x%8.8x cnvr: 0x%8.8x", data->cnvi,
> data->cnvr);
> return 0;
>
> -exit_error:
> +exit_free_pcie:
> + btintel_pcie_free(data);
> +
> +exit_free_irq_vectors:
> + pci_free_irq_vectors(pdev);
> +
> +exit_destroy_worqueue:
> + destroy_workqueue(data->workqueue);
> +
This looks a bit messy, perhaps we should really be calling
btintel_pcie_remove instead and adapt it to check if a field has been
initialized or not then proceed to free/cleanup/etc.
> /* reset device before exit */
> btintel_pcie_reset_bt(data);
>
> --
> 2.45.1
>
--
Luiz Augusto von Dentz
