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Commit 0394cb19 authored by Bjorn Helgaas's avatar Bjorn Helgaas
Browse files

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: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 004bd069

drivers/pci/pci.c

+4 −3
Original line number Diff line number Diff line
@@ -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");

}