From 37efbe20fb19cee43d95b7ba9e54d5d0b00c0d67 Mon Sep 17 00:00:00 2001 From: "Suthikulpanit, Suravee" Date: Wed, 28 Oct 2015 15:50:52 -0700 Subject: of/pci: Fix pci_get_host_bridge_device leak In case of error, the current code return w/o calling pci_put_host_bridge_device. This patch fixes this. Signed-off-by: Suravee Suthikulpanit Acked-by: Bjorn Helgaas Reviewed-by: Hanjun Guo Signed-off-by: Rafael J. Wysocki --- drivers/of/of_pci.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/of') diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c index 5751dc5b6494..a2f510cc683b 100644 --- a/drivers/of/of_pci.c +++ b/drivers/of/of_pci.c @@ -129,10 +129,9 @@ void of_pci_dma_configure(struct pci_dev *pci_dev) struct device *dev = &pci_dev->dev; struct device *bridge = pci_get_host_bridge_device(pci_dev); - if (!bridge->parent) - return; + if (bridge->parent) + of_dma_configure(dev, bridge->parent->of_node); - of_dma_configure(dev, bridge->parent->of_node); pci_put_host_bridge_device(bridge); } EXPORT_SYMBOL_GPL(of_pci_dma_configure); -- cgit v1.2.3 From 50230713b63941f4b6b562eea0834f751aa0801e Mon Sep 17 00:00:00 2001 From: "Suthikulpanit, Suravee" Date: Wed, 28 Oct 2015 15:50:53 -0700 Subject: PCI: OF: Move of_pci_dma_configure() to pci_dma_configure() This patch move of_pci_dma_configure() to a more generic pci_dma_configure(), which can be extended by non-OF code (e.g. ACPI). This has no functional change. Signed-off-by: Suravee Suthikulpanit Acked-by: Rob Herring Acked-by: Bjorn Helgaas Reviewed-by: Hanjun Guo Signed-off-by: Rafael J. Wysocki --- drivers/of/of_pci.c | 19 ------------------- 1 file changed, 19 deletions(-) (limited to 'drivers/of') diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c index a2f510cc683b..b66ee4ebf650 100644 --- a/drivers/of/of_pci.c +++ b/drivers/of/of_pci.c @@ -117,25 +117,6 @@ int of_get_pci_domain_nr(struct device_node *node) } EXPORT_SYMBOL_GPL(of_get_pci_domain_nr); -/** - * of_pci_dma_configure - Setup DMA configuration - * @dev: ptr to pci_dev struct of the PCI device - * - * Function to update PCI devices's DMA configuration using the same - * info from the OF node of host bridge's parent (if any). - */ -void of_pci_dma_configure(struct pci_dev *pci_dev) -{ - struct device *dev = &pci_dev->dev; - struct device *bridge = pci_get_host_bridge_device(pci_dev); - - if (bridge->parent) - of_dma_configure(dev, bridge->parent->of_node); - - pci_put_host_bridge_device(bridge); -} -EXPORT_SYMBOL_GPL(of_pci_dma_configure); - #if defined(CONFIG_OF_ADDRESS) /** * of_pci_get_host_bridge_resources - Parse PCI host bridge resources from DT -- cgit v1.2.3