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pci: pci_alloc_bus(): use xzalloc() instead of kzalloc() 

Also drop redundant xzalloc() result check
as xzalloc() does not return in case of memory allocation error.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Antony Pavlov 2014-07-09 00:23:11 +04:00 committed by Sascha Hauer
parent 433135c85c
commit 4e14a43797
1 changed files with 8 additions and 8 deletions
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16
drivers/pci/pci.c
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@ -16,14 +16,14 @@ 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 = xzalloc(sizeof(*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);
return b;
}