[PATCH v4 8/9] dmaengine: idxd: Add missing idxd cleanup to fix memory leak in remove call

[Shuai Xue <xueshuai@linux.alibaba.com>]

The remove call stack is missing idxd cleanup to free bitmap, ida and
the idxd_device. Call idxd_free() helper routines to make sure we exit
gracefully.

Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators")
Cc: stable@vger.kernel.org
Suggested-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Fenghua Yu <fenghuay@nvidia.com>
---
 drivers/dma/idxd/init.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index f2b5b17538c0..974b926bd930 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -1335,6 +1335,7 @@ static void idxd_remove(struct pci_dev *pdev)
 	destroy_workqueue(idxd->wq);
 	perfmon_pmu_remove(idxd);
 	put_device(idxd_confdev(idxd));
+	idxd_free(idxd);
 }
 
 static struct pci_driver idxd_pci_driver = {
-- 
2.43.5