diff options
author | Bjorn Helgaas <bhelgaas@google.com> | 2013-06-05 20:22:11 (GMT) |
---|---|---|
committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-06-14 23:39:45 (GMT) |
commit | 050134864c1c76f49eb86c134a0e02fb3c196382 (patch) | |
tree | fef3595723b29f4659feebfba2560f90dcea3646 /drivers/pci/probe.c | |
parent | dc087f2f6a2925e81831f3016b9cbb6e470e7423 (diff) | |
download | linux-fsl-qoriq-050134864c1c76f49eb86c134a0e02fb3c196382.tar.xz |
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/probe.c')
-rw-r--r-- | drivers/pci/probe.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index a723b2b..14af6ef 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; } |