Message ID | Pine.LNX.4.64.0907191726360.16542@ask.diku.dk (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show |
On Sun, 19 Jul 2009 17:26:58 +0200 (CEST) Julia Lawall <julia@diku.dk> wrote: > From: Julia Lawall <julia@diku.dk> > > If the NULL test is necessary, then the dereference should be moved > below the NULL test. > > The semantic patch that finds this problem is as follows: > (http://www.emn.fr/x-info/coccinelle/) Sorry I missed this one. Looks like it's been fixed another way though...
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 3d27c97..fc8311b 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -668,10 +668,11 @@ out: void pcie_aspm_exit_link_state(struct pci_dev *pdev) { struct pci_dev *parent = pdev->bus->self; - struct pcie_link_state *link_state = parent->link_state; + struct pcie_link_state *link_state; - if (aspm_disabled || !pdev->is_pcie || !parent || !link_state) + if (aspm_disabled || !pdev->is_pcie || !parent || !parent->link_state) return; + link_state = parent->link_state; if (parent->pcie_type != PCI_EXP_TYPE_ROOT_PORT && parent->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) return;