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habanalabs: Call put_pid() when releasing control device

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[ Upstream commit 27ac5aada024e0821c86540ad18f37edadd77d5e ]

The refcount of the "hl_fpriv" structure is not used for the control
device, and thus hl_hpriv_put() is not called when releasing this
device.
This results with no call to put_pid(), so add it explicitly in
hl_device_release_ctrl().

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tomer Tayar 2021-02-19 14:05:33 +02:00 committed by Greg Kroah-Hartman
parent f2b38f03a3
commit eb4154fb61
1 changed files with 2 additions and 0 deletions
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2
drivers/misc/habanalabs/common/device.c
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@ -106,6 +106,8 @@ static int hl_device_release_ctrl(struct inode *inode, struct file *filp)
list_del(&hpriv->dev_node);
mutex_unlock(&hdev->fpriv_list_lock);
put_pid(hpriv->taskpid);
kfree(hpriv);
return 0;