Messages in this thread Patch in this message | | | From | Rickard Strandqvist <> | Subject | [PATCH] pci: hotplug: cpqphp_ctrl.c: Fix for possible null pointer dereference | Date | Sun, 18 May 2014 18:02:57 +0200 |
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There is otherwise a risk of a possible null pointer dereference.
Was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> --- drivers/pci/hotplug/cpqphp_ctrl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c index 11845b7..a319d07 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; -- 1.7.10.4
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