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| author | Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> | 2014-05-18 18:02:57 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-05-28 04:51:14 +0200 |
| commit | cab9a128dad0fa0c8400a03d9375c781dda43982 (patch) | |
| tree | d8d22dbf6548a0eca78e90b8f124c2b8d5cf9bf3 /drivers/pci/hotplug | |
| parent | NVMe: Implement PCIe reset notification callback (diff) | |
| download | linux-cab9a128dad0fa0c8400a03d9375c781dda43982.tar.xz linux-cab9a128dad0fa0c8400a03d9375c781dda43982.zip | |
PCI: cpqphp: Fix possible null pointer dereference
There is otherwise a risk of a null pointer dereference.
Found by cppcheck, a static code analysis program.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/hotplug')
| -rw-r--r-- | drivers/pci/hotplug/cpqphp_ctrl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c index 11845b796799..f593585f2784 100644 --- a/drivers/pci/hotplug/cpqphp_ctrl.c +++ b/drivers/pci/hotplug/cpqphp_ctrl.c @@ -709,7 +709,8 @@ static struct pci_resource *get_max_resource(struct pci_resource **head, u32 siz temp = temp->next; } - temp->next = max->next; + if (temp) + temp->next = max->next; } max->next = NULL; |