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Subject[RFC PATCH 2/3] pci/doe: Use devm_xa_init()
Date
From: Ira Weiny <ira.weiny@intel.com>

The XArray being used to store the protocols does not even store
allocated objects.

Use devm_xa_init() to automatically destroy the XArray when the PCI
device goes away.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
drivers/pci/doe.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c
index 0b02f33ef994..aa36f459d375 100644
--- a/drivers/pci/doe.c
+++ b/drivers/pci/doe.c
@@ -386,13 +386,6 @@ static int pci_doe_cache_protocols(struct pci_doe_mb *doe_mb)
return 0;
}

-static void pci_doe_xa_destroy(void *mb)
-{
- struct pci_doe_mb *doe_mb = mb;
-
- xa_destroy(&doe_mb->prots);
-}
-
static void pci_doe_destroy_workqueue(void *mb)
{
struct pci_doe_mb *doe_mb = mb;
@@ -440,11 +433,8 @@ struct pci_doe_mb *pcim_doe_create_mb(struct pci_dev *pdev, u16 cap_offset)
doe_mb->pdev = pdev;
doe_mb->cap_offset = cap_offset;
init_waitqueue_head(&doe_mb->wq);
-
- xa_init(&doe_mb->prots);
- rc = devm_add_action(dev, pci_doe_xa_destroy, doe_mb);
- if (rc)
- return ERR_PTR(rc);
+ if (devm_xa_init(dev, &doe_mb->prots))
+ return ERR_PTR(-ENOMEM);

doe_mb->work_queue = alloc_ordered_workqueue("DOE: [%x]", 0,
doe_mb->cap_offset);
--
2.35.3
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