The devres_free() API is only to be used after the resource has been
unlinked from the device tracking it. Calling this functino directly will
hit a kernel BUG_ON. This patch fixes this to use the managed resource
release function, devm_kfree().
Fixes: 1380472e7b855 ("PCI/P2PDMA: Support peer-to-peer memory")
Cc: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx>
---
drivers/pci/p2pdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index da66c7e31730..9c56a10eff15 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -222,7 +222,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
return 0;
pgmap_free:
- devres_free(pgmap);
+ devm_kfree(&pci->dev, pgmap);
return error;
}
EXPORT_SYMBOL_GPL(pci_p2pdma_add_resource);
--
2.14.4
