21.11.2015 10:45, Cao jin wrote: > add param check for pci_add_capability2, as it is a public API. > > Signed-off-by: Cao jin <caoj.f...@cn.fujitsu.com> > --- > hw/pci/pci.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/hw/pci/pci.c b/hw/pci/pci.c > index 168b9cc..6938f64 100644 > --- a/hw/pci/pci.c > +++ b/hw/pci/pci.c > @@ -2144,6 +2144,9 @@ int pci_add_capability2(PCIDevice *pdev, uint8_t cap_id, > uint8_t *config; > int i, overlapping_cap; > > + assert(size > 0); > + assert(offset >= PCI_CONFIG_HEADER_SIZE || !offset); > +
I'd like to see some ACKs/Reviews for this one, in particular why size should be != 0. Also either move offset assert to the below "else" clause or rewrite it to be offset == 0 instead if !offset :) Thanks, /mjt > if (!offset) { > offset = pci_find_space(pdev, size); > if (!offset) { >