[PATCH v3 1/3] panthor: set owner field for driver fops

[Chia-I Wu]

It allows us to get rid of manual try_module_get / module_put.

Signed-off-by: Chia-I Wu <olva...@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezil...@collabora.com>
Reviewed-by: Steven Price <steven.pr...@arm.com>
---
 drivers/gpu/drm/panthor/panthor_drv.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/panthor/panthor_drv.c 
b/drivers/gpu/drm/panthor/panthor_drv.c
index 1116f2d2826ee..775a66c394544 100644
--- a/drivers/gpu/drm/panthor/panthor_drv.c
+++ b/drivers/gpu/drm/panthor/panthor_drv.c
@@ -1400,14 +1400,9 @@ panthor_open(struct drm_device *ddev, struct drm_file 
*file)
        struct panthor_file *pfile;
        int ret;
 
-       if (!try_module_get(THIS_MODULE))
-               return -EINVAL;
-
        pfile = kzalloc(sizeof(*pfile), GFP_KERNEL);
-       if (!pfile) {
-               ret = -ENOMEM;
-               goto err_put_mod;
-       }
+       if (!pfile)
+               return -ENOMEM;
 
        pfile->ptdev = ptdev;
        pfile->user_mmio.offset = DRM_PANTHOR_USER_MMIO_OFFSET;
@@ -1439,9 +1434,6 @@ panthor_open(struct drm_device *ddev, struct drm_file 
*file)
 
 err_free_file:
        kfree(pfile);
-
-err_put_mod:
-       module_put(THIS_MODULE);
        return ret;
 }
 
@@ -1454,7 +1446,6 @@ panthor_postclose(struct drm_device *ddev, struct 
drm_file *file)
        panthor_vm_pool_destroy(pfile);
 
        kfree(pfile);
-       module_put(THIS_MODULE);
 }
 
 static const struct drm_ioctl_desc panthor_drm_driver_ioctls[] = {
@@ -1555,6 +1546,7 @@ static void panthor_show_fdinfo(struct drm_printer *p, 
struct drm_file *file)
 }
 
 static const struct file_operations panthor_drm_driver_fops = {
+       .owner = THIS_MODULE,
        .open = drm_open,
        .release = drm_release,
        .unlocked_ioctl = drm_ioctl,
-- 
2.50.0.727.gbf7dc18ff4-goog