Hi Sinan, On 05/16/2016 04:13 AM, Sinan Kaya wrote: > The reset call sequence seems to replicate itself multiple times > across the file. Grouping them together for maintenance reasons. > > Signed-off-by: Sinan Kaya <[email protected]> > --- > drivers/vfio/platform/vfio_platform_common.c | 31 > ++++++++++++++-------------- > 1 file changed, 15 insertions(+), 16 deletions(-) > > diff --git a/drivers/vfio/platform/vfio_platform_common.c > b/drivers/vfio/platform/vfio_platform_common.c > index 08fd7c2..cb91dd3 100644 > --- a/drivers/vfio/platform/vfio_platform_common.c > +++ b/drivers/vfio/platform/vfio_platform_common.c > @@ -134,6 +134,18 @@ static void vfio_platform_regions_cleanup(struct > vfio_platform_device *vdev) > kfree(vdev->regions); > } > > +static int vfio_platform_call_reset(struct vfio_platform_device *vdev) > +{ > + if (vdev->of_reset) { > + dev_info(vdev->device, "reset\n"); > + vdev->of_reset(vdev); > + return 0; you should return vdev->of_reset(vdev) to keep the existing VFIO_DEVICE_RESET ioctl behavior
Once fixed, Reviewed-by: Eric Auger <[email protected]> Besides, but this goes beyond the scope of your series, maybe we should reconsider in the future what happens in case the reset fails on open/release. Best Regards Eric > + } > + > + dev_warn(vdev->device, "no reset function found!\n"); > + return -EINVAL; > +} > + > static void vfio_platform_release(void *device_data) > { > struct vfio_platform_device *vdev = device_data; > @@ -141,12 +153,7 @@ static void vfio_platform_release(void *device_data) > mutex_lock(&driver_lock); > > if (!(--vdev->refcnt)) { > - if (vdev->of_reset) { > - dev_info(vdev->device, "reset\n"); > - vdev->of_reset(vdev); > - } else { > - dev_warn(vdev->device, "no reset function found!\n"); > - } > + vfio_platform_call_reset(vdev); > vfio_platform_regions_cleanup(vdev); > vfio_platform_irq_cleanup(vdev); > } > @@ -175,12 +182,7 @@ static int vfio_platform_open(void *device_data) > if (ret) > goto err_irq; > > - if (vdev->of_reset) { > - dev_info(vdev->device, "reset\n"); > - vdev->of_reset(vdev); > - } else { > - dev_warn(vdev->device, "no reset function found!\n"); > - } > + vfio_platform_call_reset(vdev); > } > > vdev->refcnt++; > @@ -312,10 +314,7 @@ static long vfio_platform_ioctl(void *device_data, > return ret; > > } else if (cmd == VFIO_DEVICE_RESET) { > - if (vdev->of_reset) > - return vdev->of_reset(vdev); > - else > - return -EINVAL; > + return vfio_platform_call_reset(vdev); > } > > return -ENOTTY; >
