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...entioned at drivers/base/core.c: > /* > * NOTE: _Never_ directly free @dev after calling this function, even > * if it returned an error! Always use put_device() to give up the > * reference initialized in this function instead. > */ > > Normal we do cleanup for @vm_dev by contianer_of(@dev), but in this case > we need release @mem resource from @pdev and vm_dev->base. It make > @pdev->vm_dev.dev.release() too complicated, so put_device just put the > reference of register_virtio_device->device_register->device_initialize > and release all resource in virt...

...entioned at drivers/base/core.c: > /* > * NOTE: _Never_ directly free @dev after calling this function, even > * if it returned an error! Always use put_device() to give up the > * reference initialized in this function instead. > */ > > Normal we do cleanup for @vm_dev by contianer_of(@dev), but in this case > we need release @mem resource from @pdev and vm_dev->base. It make > @pdev->vm_dev.dev.release() too complicated, so put_device just put the > reference of register_virtio_device->device_register->device_initialize > and release all resource in virt...

this patchset try to add cleanup for virtio_mmio driver, include virtio_mmio_probe and virtio_mmio_remove weiping zhang (2): virtio_mmio: add cleanup for virtio_mmio_probe virtio_mmio: add cleanup for virtio_mmio_remove drivers/virtio/virtio_mmio.c | 43 +++++++++++++++++++++++++++++++++++-------- 1 file changed, 35 insertions(+), 8 deletions(-) -- 2.9.4

this patchset try to add cleanup for virtio_mmio driver, include virtio_mmio_probe and virtio_mmio_remove weiping zhang (2): virtio_mmio: add cleanup for virtio_mmio_probe virtio_mmio: add cleanup for virtio_mmio_remove drivers/virtio/virtio_mmio.c | 43 +++++++++++++++++++++++++++++++++++-------- 1 file changed, 35 insertions(+), 8 deletions(-) -- 2.9.4

As mentioned at drivers/base/core.c: /* * NOTE: _Never_ directly free @dev after calling this function, even * if it returned an error! Always use put_device() to give up the * reference initialized in this function instead. */ Normal we do cleanup for @vm_dev by contianer_of(@dev), but in this case we need release @mem resource from @pdev and vm_dev->base. It make @pdev->vm_dev.dev.release() too complicated, so put_device just put the reference of register_virtio_device->device_register->device_initialize and release all resource in virtio_mmio_probe. Sign...