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authorBjorn Helgaas <bhelgaas@google.com>2013-06-05 14:22:11 -0600
committerBjorn Helgaas <bhelgaas@google.com>2013-06-14 17:39:45 -0600
commit050134864c1c76f49eb86c134a0e02fb3c196382 (patch)
treefef3595723b29f4659feebfba2560f90dcea3646 /drivers/pci
parentdc087f2f6a2925e81831f3016b9cbb6e470e7423 (diff)
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/probe.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index a723b2b93ab4..14af6ef4959c 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -451,20 +451,21 @@ void pci_read_bridge_bases(struct pci_bus *child)
}
}
-static struct pci_bus * pci_alloc_bus(void)
+static struct pci_bus *pci_alloc_bus(void)
{
struct pci_bus *b;
b = kzalloc(sizeof(*b), GFP_KERNEL);
- if (b) {
- INIT_LIST_HEAD(&b->node);
- INIT_LIST_HEAD(&b->children);
- INIT_LIST_HEAD(&b->devices);
- INIT_LIST_HEAD(&b->slots);
- INIT_LIST_HEAD(&b->resources);
- b->max_bus_speed = PCI_SPEED_UNKNOWN;
- b->cur_bus_speed = PCI_SPEED_UNKNOWN;
- }
+ if (!b)
+ return NULL;
+
+ INIT_LIST_HEAD(&b->node);
+ INIT_LIST_HEAD(&b->children);
+ INIT_LIST_HEAD(&b->devices);
+ INIT_LIST_HEAD(&b->slots);
+ INIT_LIST_HEAD(&b->resources);
+ b->max_bus_speed = PCI_SPEED_UNKNOWN;
+ b->cur_bus_speed = PCI_SPEED_UNKNOWN;
return b;
}
@@ -485,11 +486,11 @@ static struct pci_host_bridge *pci_alloc_host_bridge(struct pci_bus *b)
struct pci_host_bridge *bridge;
bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
- if (bridge) {
- INIT_LIST_HEAD(&bridge->windows);
- bridge->bus = b;
- }
+ if (!bridge)
+ return NULL;
+ INIT_LIST_HEAD(&bridge->windows);
+ bridge->bus = b;
return bridge;
}