On Wed, Apr 18, 2012 at 09:54:07PM +0100, Luis Henriques wrote:
> An early registration of an ISR was causing a crash to several users (for
> example here: http://bugs.launchpad.net/bugs/972723  The reason was that
> IRQs were being triggered before the driver initialisation was completed.
> 
> This patch fixes this by moving the invocation to request_irq() to a later
> stage on the driver probe function.
> 
> Signed-off-by: Luis Henriques <[email protected]>
> ---
>  drivers/media/rc/ite-cir.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
> index 682009d..98d8ccf 100644
> --- a/drivers/media/rc/ite-cir.c
> +++ b/drivers/media/rc/ite-cir.c
> @@ -1521,10 +1521,6 @@ static int ite_probe(struct pnp_dev *pdev, const 
> struct pnp_device_id
>                               dev_desc->io_region_size, ITE_DRIVER_NAME))
>               goto failure;
>  
> -     if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED,
> -                     ITE_DRIVER_NAME, (void *)itdev))
> -             goto failure;
> -
>       /* set driver data into the pnp device */
>       pnp_set_drvdata(pdev, itdev);
>       itdev->pdev = pdev;
> @@ -1600,6 +1596,10 @@ static int ite_probe(struct pnp_dev *pdev, const 
> struct pnp_device_id
>       rdev->driver_name = ITE_DRIVER_NAME;
>       rdev->map_name = RC_MAP_RC6_MCE;
>  
> +     if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED,
> +                     ITE_DRIVER_NAME, (void *)itdev))
> +             goto failure;
> +
>       ret = rc_register_device(rdev);
>       if (ret)
>               goto failure;
> -- 
> 1.7.9.5

I completely forgot to add:

Cc: <[email protected]>

to my email.

Cheers,
--
Luis
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