Re: [PATCH] Staging: vme: Fix warning in free_irq for ca91cx42

From: Martyn Welch
Date: Wed Oct 27 2010 - 06:44:04 EST


Greg,

Please dis-regard this patch - trying to do to many things at once leads
to mistakes...

Martyn

On 27/10/10 11:38, Martyn Welch wrote:
> As discovered by Emilio Cota for the tsi148, the cookie passed to request_irq
> isn't the same as the one passed to free_irq.
>
> Fix it by passing the same cookie to both functions.
>
> Signed-off-by: Martyn Welch <martyn.welch@xxxxxx>
> ---
>
> drivers/staging/vme/bridges/vme_ca91cx42.c | 10 ++++++----
> 1 files changed, 6 insertions(+), 4 deletions(-)
>
>
> diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
> index 1f2089f..5f7f458 100644
> --- a/drivers/staging/vme/bridges/vme_ca91cx42.c
> +++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
> @@ -242,9 +242,11 @@ static int ca91cx42_irq_init(struct vme_bridge *ca91cx42_bridge)
> return 0;
> }
>
> -static void ca91cx42_irq_exit(struct ca91cx42_driver *bridge,
> +static void ca91cx42_irq_exit(struct vme_driver *ca91cx42_bridge,
> struct pci_dev *pdev)
> {
> + struct ca91cx42_driver *bridge = ca91cx42_bridge->driver_priv;
> +
> /* Disable interrupts from PCI to VME */
> iowrite32(0, bridge->base + VINT_EN);
>
> @@ -253,7 +255,7 @@ static void ca91cx42_irq_exit(struct ca91cx42_driver *bridge,
> /* Clear Any Pending PCI Interrupts */
> iowrite32(0x00FFFFFF, bridge->base + LINT_STAT);
>
> - free_irq(pdev->irq, pdev);
> + free_irq(pdev->irq, ca91cx42_bridge);
> }
>
> /*
> @@ -1815,7 +1817,7 @@ err_master:
> kfree(master_image);
> }
>
> - ca91cx42_irq_exit(ca91cx42_device, pdev);
> + ca91cx42_irq_exit(ca91cx42_bridge, pdev);
> err_irq:
> err_test:
> iounmap(ca91cx42_device->base);
> @@ -1899,7 +1901,7 @@ void ca91cx42_remove(struct pci_dev *pdev)
> kfree(master_image);
> }
>
> - ca91cx42_irq_exit(bridge, pdev);
> + ca91cx42_irq_exit(ca91cx42_bridge, pdev);
>
> iounmap(bridge->base);
>
>
>
> --
> Martyn Welch (Principal Software Engineer) | Registered in England and
> GE Intelligent Platforms | Wales (3828642) at 100
> T +44(0)127322748 | Barbirolli Square, Manchester,
> E martyn.welch@xxxxxx | M2 3AB VAT:GB 927559189
> _______________________________________________
> devel mailing list
> devel@xxxxxxxxxxxxxxxxxxxxxx
> http://driverdev.linuxdriverproject.org/mailman/listinfo/devel


--
Martyn Welch (Principal Software Engineer) | Registered in England and
GE Intelligent Platforms | Wales (3828642) at 100
T +44(0)127322748 | Barbirolli Square,
Manchester,
E martyn.welch@xxxxxx | M2 3AB VAT:GB 927559189
--
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