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PCI: Report pci_pme_active() kmalloc failure 

Previously, if kmalloc() failed, we claimed "PME# enabled" in dmesg,
even though we didn't add the device to the pci_pme_list.  This prints
a more correct warning.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bjorn Helgaas 2013-10-16 12:32:53 -06:00
parent 004bd069f8
commit 0394cb192d
1 changed files with 4 additions and 3 deletions
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7
drivers/pci/pci.c
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@ -1638,8 +1638,10 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
if (enable) {
pme_dev = kmalloc(sizeof(struct pci_pme_device),
GFP_KERNEL);
if (!pme_dev)
goto out;
if (!pme_dev) {
dev_warn(&dev->dev, "can't enable PME#\n");
return;
}
pme_dev->dev = dev;
mutex_lock(&pci_pme_list_mutex);
list_add(&pme_dev->list, &pci_pme_list);
@ -1660,7 +1662,6 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
}
}
out:
dev_dbg(&dev->dev, "PME# %s\n", enable ? "enabled" : "disabled");
}