From patchwork Thu Apr 19 14:22:24 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [1/1] UBUNTU: SAUCE: ite-cir: postpone ISR registration Date: Thu, 19 Apr 2012 04:22:24 -0000 From: Luis Henriques X-Patchwork-Id: 153779 Message-Id: <1334845344-18613-2-git-send-email-luis.henriques@canonical.com> To: kernel-team@lists.ubuntu.com BugLink: http://bugs.launchpad.net/bugs/984387 An early registration of an ISR was causing a crash to several users. 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 --- 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 ecd3d02..c8c775a 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -1525,10 +1525,6 @@ 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; @@ -1604,6 +1600,10 @@ 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;