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| author | Max Gurtovoy <mgurtovoy@nvidia.com> | 2021-05-18 22:21:32 +0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2021-06-15 14:12:15 -0600 |
| commit | 9dcf01d95721261844d8c07c142efc143f7d38e3 (patch) | |
| tree | 779e6b75b40ed6b96acf52fff59111ee09c37119 /drivers/vfio/platform/vfio_platform_common.c | |
| parent | 009c9aa5be652675a06d5211e1640e02bbb1c33d (diff) | |
| download | linux-9dcf01d95721261844d8c07c142efc143f7d38e3.tar.gz linux-9dcf01d95721261844d8c07c142efc143f7d38e3.tar.bz2 linux-9dcf01d95721261844d8c07c142efc143f7d38e3.zip | |
vfio: centralize module refcount in subsystem layer
Remove code duplication and move module refcounting to the subsystem
module.
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20210518192133.59195-2-mgurtovoy@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/platform/vfio_platform_common.c')
| -rw-r--r-- | drivers/vfio/platform/vfio_platform_common.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index 470fcf7dac56..703164df7637 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -241,8 +241,6 @@ static void vfio_platform_release(struct vfio_device *core_vdev) } mutex_unlock(&driver_lock); - - module_put(vdev->parent_module); } static int vfio_platform_open(struct vfio_device *core_vdev) @@ -251,9 +249,6 @@ static int vfio_platform_open(struct vfio_device *core_vdev) container_of(core_vdev, struct vfio_platform_device, vdev); int ret; - if (!try_module_get(vdev->parent_module)) - return -ENODEV; - mutex_lock(&driver_lock); if (!vdev->refcnt) { @@ -291,7 +286,6 @@ err_irq: vfio_platform_regions_cleanup(vdev); err_reg: mutex_unlock(&driver_lock); - module_put(vdev->parent_module); return ret; } |