Re: [PATCH] nfc: nxp-nci: Add remove on IRQ error

Ian Ray <[email protected]> Tue, 7 Jul 2026 20:10:55 +0300
Newsgroups dev.linux.lists.oe-linux-nfc,org.kernel.vger.linux-kernel
Message-ID <ak0zHxoAC8w3H9Nn@zeus>
On Tue, Jul 07, 2026 at 04:23:27PM +0200, Greg Kroah-Hartman wrote:
> From: Griffin Kroah-Hartman <[email protected]>
> 
> Add a call to nxp_nci_remove() in nxp_nci_i2c_probe() when the
> request_threaded_irq() fails.
> Previously, IRQ resources were not being freed upon error.
> 
> Assisted-by: gkh_clanker_2000
> Cc: David Heidelberg <[email protected]>
> Cc: Carl Lee <[email protected]>
> Cc: Jakub Kicinski <[email protected]>
> Cc: Krzysztof Kozlowski <[email protected]>
> Cc: Ian Ray <[email protected]>
> Cc: "Uwe Kleine-König (The Capable Hub)" <[email protected]>
> Signed-off-by: Griffin Kroah-Hartman <[email protected]>
> Signed-off-by: Greg Kroah-Hartman <[email protected]>

Nice improvement!

Reviewed-by: Ian Ray <[email protected]>

> ---
>  drivers/nfc/nxp-nci/i2c.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
> index faebc89a7ef5..564f38735510 100644
> --- a/drivers/nfc/nxp-nci/i2c.c
> +++ b/drivers/nfc/nxp-nci/i2c.c
> @@ -334,8 +334,10 @@ static int nxp_nci_i2c_probe(struct i2c_client *client)
>                                  nxp_nci_i2c_irq_thread_fn,
>                                  irqflags | IRQF_ONESHOT,
>                                  NXP_NCI_I2C_DRIVER_NAME, phy);
> -       if (r < 0)
> +       if (r < 0) {
>                 nfc_err(&client->dev, "Unable to register IRQ handler\n");
> +               nxp_nci_remove(phy->ndev);
> +       }
> 
>         return r;
>  }
> --
> 2.55.0
>