PCI: Return early on allocation failures to unindent mainline code
On allocation failure, return early so the main body of the function doesn't have to be indented as the body of an "if" statement. No functional change. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -451,20 +451,21 @@ void pci_read_bridge_bases(struct pci_bus *child)
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}
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}
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static struct pci_bus * pci_alloc_bus(void)
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static struct pci_bus *pci_alloc_bus(void)
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{
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struct pci_bus *b;
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b = kzalloc(sizeof(*b), GFP_KERNEL);
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if (b) {
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INIT_LIST_HEAD(&b->node);
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INIT_LIST_HEAD(&b->children);
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INIT_LIST_HEAD(&b->devices);
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INIT_LIST_HEAD(&b->slots);
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INIT_LIST_HEAD(&b->resources);
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b->max_bus_speed = PCI_SPEED_UNKNOWN;
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b->cur_bus_speed = PCI_SPEED_UNKNOWN;
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}
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if (!b)
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return NULL;
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INIT_LIST_HEAD(&b->node);
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INIT_LIST_HEAD(&b->children);
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INIT_LIST_HEAD(&b->devices);
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INIT_LIST_HEAD(&b->slots);
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INIT_LIST_HEAD(&b->resources);
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b->max_bus_speed = PCI_SPEED_UNKNOWN;
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b->cur_bus_speed = PCI_SPEED_UNKNOWN;
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return b;
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}
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@ -485,11 +486,11 @@ static struct pci_host_bridge *pci_alloc_host_bridge(struct pci_bus *b)
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struct pci_host_bridge *bridge;
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bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
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if (bridge) {
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INIT_LIST_HEAD(&bridge->windows);
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bridge->bus = b;
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}
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if (!bridge)
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return NULL;
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INIT_LIST_HEAD(&bridge->windows);
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bridge->bus = b;
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return bridge;
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}
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