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authorBjorn Helgaas <bhelgaas@google.com>2014-07-04 15:58:15 -0600
committerBjorn Helgaas <bhelgaas@google.com>2014-07-08 16:29:08 -0600
commit28f6dbe2c669c6a02c04c8ece21cafbcb20370ab (patch)
treeeaf95abc97f3ca393daea296d5f8b282077a8391 /drivers/pci/setup-res.c
parent096d4221f92fb205ade35f35e3ceeba5662528fe (diff)
downloadlinux-28f6dbe2c669c6a02c04c8ece21cafbcb20370ab.tar.bz2
PCI: Cleanup control flow
Return errors immediately so the straightline path is the normal, no-error path. No functional change. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/setup-res.c')
-rw-r--r--drivers/pci/setup-res.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 481c4e18693a..532dc540dc5d 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -305,14 +305,16 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
if (ret < 0)
ret = pci_revert_fw_address(res, dev, resno, size);
- if (!ret) {
- res->flags &= ~IORESOURCE_UNSET;
- res->flags &= ~IORESOURCE_STARTALIGN;
- dev_info(&dev->dev, "BAR %d: assigned %pR\n", resno, res);
- if (resno < PCI_BRIDGE_RESOURCES)
- pci_update_resource(dev, resno);
- }
- return ret;
+ if (ret)
+ return ret;
+
+ res->flags &= ~IORESOURCE_UNSET;
+ res->flags &= ~IORESOURCE_STARTALIGN;
+ dev_info(&dev->dev, "BAR %d: assigned %pR\n", resno, res);
+ if (resno < PCI_BRIDGE_RESOURCES)
+ pci_update_resource(dev, resno);
+
+ return 0;
}
EXPORT_SYMBOL(pci_assign_resource);
@@ -335,19 +337,20 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
/* already aligned with min_align */
new_size = resource_size(res) + addsize;
ret = _pci_assign_resource(dev, resno, new_size, min_align);
- if (!ret) {
- res->flags &= ~IORESOURCE_UNSET;
- res->flags &= ~IORESOURCE_STARTALIGN;
- dev_info(&dev->dev, "BAR %d: reassigned %pR\n", resno, res);
- if (resno < PCI_BRIDGE_RESOURCES)
- pci_update_resource(dev, resno);
- } else {
+ if (ret) {
res->flags = flags;
dev_info(&dev->dev, "BAR %d: %pR (failed to expand by %#llx)\n",
resno, res, (unsigned long long) addsize);
+ return ret;
}
- return ret;
+ res->flags &= ~IORESOURCE_UNSET;
+ res->flags &= ~IORESOURCE_STARTALIGN;
+ dev_info(&dev->dev, "BAR %d: reassigned %pR\n", resno, res);
+ if (resno < PCI_BRIDGE_RESOURCES)
+ pci_update_resource(dev, resno);
+
+ return 0;
}
int pci_enable_resources(struct pci_dev *dev, int mask)