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habanalabs: put devices before driver removal

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[ Upstream commit 5555b7c56bdec7a29c789fec27f84d40f52fbdfa ]

Driver never puts its device and control_device objects, hence
a memory leak is introduced every driver removal.

Signed-off-by: Ofir Bitton <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Ofir Bitton 2020-11-29 09:34:12 +02:00 • committed by Greg Kroah-Hartman
commit 34c07547db
1 changed files with 8 additions and 8 deletions
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16
drivers/misc/habanalabs/device.c
View file

@ -229,16 +229,16 @@ delete_cdev_device:
static void device_cdev_sysfs_del(struct hl_device *hdev)
{
/* device_release() won't be called so must free devices explicitly */
if (!hdev->cdev_sysfs_created) {
kfree(hdev->dev_ctrl);
kfree(hdev->dev);
return;
}
if (!hdev->cdev_sysfs_created)
goto put_devices;
hl_sysfs_fini(hdev);
cdev_device_del(&hdev->cdev_ctrl, hdev->dev_ctrl);
cdev_device_del(&hdev->cdev, hdev->dev);
put_devices:
put_device(hdev->dev);
put_device(hdev->dev_ctrl);
}
/*
@ -1285,9 +1285,9 @@ sw_fini:
early_fini:
device_early_fini(hdev);
free_dev_ctrl:
kfree(hdev->dev_ctrl);
put_device(hdev->dev_ctrl);
free_dev:
kfree(hdev->dev);
put_device(hdev->dev);
out_disabled:
hdev->disabled = true;
if (add_cdev_sysfs_on_err)