Re: [PATCH] tools: PCI: Zero-initialize param

From: Leon Romanovsky
Date: Sun Jul 11 2021 - 07:56:08 EST


On Sun, Jul 11, 2021 at 09:48:17AM +0800, Shunyong Yang wrote:
> Hi, Bjorn and Kishon,
>
>   Gentle ping. Would you please help to review and merge this tiny change?
>
> Thansk.
>
> Shunyong.
>
> On 2021/6/27 8:39, Shunyong Yang wrote:
> > The values in param may be random if they are not initialized, which
> > may cause use_dma flag set even when "-d" option is not provided
> > in command line. Initializing all members to 0 to solve this.
> >
> > Signed-off-by: Shunyong Yang <yang.shunyong@xxxxxxxxx>
> > ---
> > tools/pci/pcitest.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
> > index 0a1344c45213..59bcd6220a58 100644
> > --- a/tools/pci/pcitest.c
> > +++ b/tools/pci/pcitest.c
> > @@ -40,7 +40,7 @@ struct pci_test {
> > static int run_test(struct pci_test *test)
> > {
> > - struct pci_endpoint_test_xfer_param param;
> > + struct pci_endpoint_test_xfer_param param = {0};

You can simply write {} instead of {0} - zero is not needed.

Thanks

> > int ret = -EINVAL;
> > int fd;