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authorBjorn Helgaas <bhelgaas@google.com>2018-08-15 22:59:01 +0300
committerBjorn Helgaas <bhelgaas@google.com>2018-08-15 22:59:01 +0300
commit5fc054a54476f9e2b3d6cc3eeb1537aa549d0ba3 (patch)
tree6a0592aa4088435230163ada694c68b839674d60 /drivers/pci/of.c
parentc689209be23166b340c224df8ecd5deea163da56 (diff)
parent783e84961b1d7a75045383586b8c49e02b7704cd (diff)
downloadlinux-5fc054a54476f9e2b3d6cc3eeb1537aa549d0ba3.tar.xz
Merge branch 'pci/resource'
- Clean up devm_of_pci_get_host_bridge_resources() resource allocation (Jan Kiszka) - Fixup resizable BARs after suspend/resume (Christian König) - Make "pci=earlydump" generic (Sinan Kaya) - Fix ROM BAR access routines to stay in bounds and check for signature correctly (Rex Zhu) * pci/resource: PCI: Make pci_get_rom_size() static PCI: Add check code for last image indicator not set PCI: Avoid accessing memory outside the ROM BAR PCI: Make early dump functionality generic PCI: Cleanup PCI_REBAR_CTRL_BAR_SHIFT handling PCI: Restore resized BAR state on resume PCI: Clean up resource allocation in devm_of_pci_get_host_bridge_resources() # Conflicts: # Documentation/admin-guide/kernel-parameters.txt
Diffstat (limited to 'drivers/pci/of.c')
-rw-r--r--drivers/pci/of.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index 69a60d6ebd73..1836b8ddf292 100644
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -266,7 +266,7 @@ int devm_of_pci_get_host_bridge_resources(struct device *dev,
struct list_head *resources, resource_size_t *io_base)
{
struct device_node *dev_node = dev->of_node;
- struct resource *res;
+ struct resource *res, tmp_res;
struct resource *bus_range;
struct of_pci_range range;
struct of_pci_range_parser parser;
@@ -320,18 +320,16 @@ int devm_of_pci_get_host_bridge_resources(struct device *dev,
if (range.cpu_addr == OF_BAD_ADDR || range.size == 0)
continue;
- res = devm_kzalloc(dev, sizeof(struct resource), GFP_KERNEL);
+ err = of_pci_range_to_resource(&range, dev_node, &tmp_res);
+ if (err)
+ continue;
+
+ res = devm_kmemdup(dev, &tmp_res, sizeof(tmp_res), GFP_KERNEL);
if (!res) {
err = -ENOMEM;
goto failed;
}
- err = of_pci_range_to_resource(&range, dev_node, res);
- if (err) {
- devm_kfree(dev, res);
- continue;
- }
-
if (resource_type(res) == IORESOURCE_IO) {
if (!io_base) {
dev_err(dev, "I/O range found for %pOF. Please provide an io_base pointer to save CPU base address\n",