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[00/22] virtio: store owner from modules with register_virtio_driver()

Message ID 20240327-module-owner-virtio-v1-0-0feffab77d99@linaro.org
Headers show
Series virtio: store owner from modules with register_virtio_driver() | expand

Message

Krzysztof Kozlowski March 27, 2024, 12:40 p.m. UTC
Merging
=======
All further patches depend on the first virtio patch, therefore please ack
and this should go via one tree: virtio?

Description
===========
Modules registering driver with register_virtio_driver() often forget to
set .owner field.

Solve the problem by moving this task away from the drivers to the core
amba bus code, just like we did for platform_driver in commit
9447057eaff8 ("platform_device: use a macro instead of
platform_driver_register").

Best regards,
Krzysztof

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
Krzysztof Kozlowski (22):
      virtio: store owner from modules with register_virtio_driver()
      um: virt-pci: drop owner assignment
      virtio_blk: drop owner assignment
      bluetooth: virtio: drop owner assignment
      hwrng: virtio: drop owner assignment
      virtio_console: drop owner assignment
      crypto: virtio - drop owner assignment
      firmware: arm_scmi: virtio: drop owner assignment
      gpio: virtio: drop owner assignment
      drm/virtio: drop owner assignment
      iommu: virtio: drop owner assignment
      misc: nsm: drop owner assignment
      net: caif: virtio: drop owner assignment
      net: virtio: drop owner assignment
      net: 9p: virtio: drop owner assignment
      net: vmw_vsock: virtio: drop owner assignment
      wireless: mac80211_hwsim: drop owner assignment
      nvdimm: virtio_pmem: drop owner assignment
      rpmsg: virtio: drop owner assignment
      scsi: virtio: drop owner assignment
      fuse: virtio: drop owner assignment
      sound: virtio: drop owner assignment

 Documentation/driver-api/virtio/writing_virtio_drivers.rst | 1 -
 arch/um/drivers/virt-pci.c                                 | 1 -
 drivers/block/virtio_blk.c                                 | 1 -
 drivers/bluetooth/virtio_bt.c                              | 1 -
 drivers/char/hw_random/virtio-rng.c                        | 1 -
 drivers/char/virtio_console.c                              | 2 --
 drivers/crypto/virtio/virtio_crypto_core.c                 | 1 -
 drivers/firmware/arm_scmi/virtio.c                         | 1 -
 drivers/gpio/gpio-virtio.c                                 | 1 -
 drivers/gpu/drm/virtio/virtgpu_drv.c                       | 1 -
 drivers/iommu/virtio-iommu.c                               | 1 -
 drivers/misc/nsm.c                                         | 1 -
 drivers/net/caif/caif_virtio.c                             | 1 -
 drivers/net/virtio_net.c                                   | 1 -
 drivers/net/wireless/virtual/mac80211_hwsim.c              | 1 -
 drivers/nvdimm/virtio_pmem.c                               | 1 -
 drivers/rpmsg/virtio_rpmsg_bus.c                           | 1 -
 drivers/scsi/virtio_scsi.c                                 | 1 -
 drivers/virtio/virtio.c                                    | 6 ++++--
 fs/fuse/virtio_fs.c                                        | 1 -
 include/linux/virtio.h                                     | 7 +++++--
 net/9p/trans_virtio.c                                      | 1 -
 net/vmw_vsock/virtio_transport.c                           | 1 -
 sound/virtio/virtio_card.c                                 | 1 -
 24 files changed, 9 insertions(+), 27 deletions(-)
---
base-commit: 7fdcff3312e16ba8d1419f8a18f465c5cc235ecf
change-id: 20240327-module-owner-virtio-546763b3ca22

Best regards,

Comments

Viresh Kumar March 28, 2024, 5:16 a.m. UTC | #1
On 27-03-24, 13:41, Krzysztof Kozlowski wrote:
> virtio core already sets the .owner, so driver does not need to.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> 
> ---
> 
> Depends on the first patch.
> ---
>  drivers/gpio/gpio-virtio.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpio/gpio-virtio.c b/drivers/gpio/gpio-virtio.c
> index fcc5e8c08973..9fae8e396c58 100644
> --- a/drivers/gpio/gpio-virtio.c
> +++ b/drivers/gpio/gpio-virtio.c
> @@ -653,7 +653,6 @@ static struct virtio_driver virtio_gpio_driver = {
>  	.remove			= virtio_gpio_remove,
>  	.driver			= {
>  		.name		= KBUILD_MODNAME,
> -		.owner		= THIS_MODULE,
>  	},
>  };
>  module_virtio_driver(virtio_gpio_driver);

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Mathieu Poirier March 28, 2024, 3:39 p.m. UTC | #2
On Wed, Mar 27, 2024 at 01:41:12PM +0100, Krzysztof Kozlowski wrote:
> virtio core already sets the .owner, so driver does not need to.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> 
> ---
> 
> Depends on the first patch.
> ---
>  drivers/rpmsg/virtio_rpmsg_bus.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
> index 1062939c3264..e9e8c1f7829f 100644
> --- a/drivers/rpmsg/virtio_rpmsg_bus.c
> +++ b/drivers/rpmsg/virtio_rpmsg_bus.c
> @@ -1053,7 +1053,6 @@ static struct virtio_driver virtio_ipc_driver = {
>  	.feature_table	= features,
>  	.feature_table_size = ARRAY_SIZE(features),
>  	.driver.name	= KBUILD_MODNAME,
> -	.driver.owner	= THIS_MODULE,
>  	.id_table	= id_table,
>  	.probe		= rpmsg_probe,
>  	.remove		= rpmsg_remove,

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>

> 
> -- 
> 2.34.1
>