On Tue, Sep 27, 2016 at 09:21:27AM +0000, David Laight wrote:
> From: Adit Ranadive
> > Sent: 26 September 2016 19:15
> > On Mon, Sep 26, 2016 at 00:27:40AM -0700, Yuval Shaia wrote:
> > > On Sat, Sep 24, 2016 at 04:21:37PM -0700, Adit Ranadive wrote:
> > > > +
> > > > + /* Currently, the driver only supports RoCE mode. */
> > > > + if (dev->dsr->caps.mode != PVRDMA_DEVICE_MODE_ROCE) {
> > > > + dev_err(&pdev->dev, "unsupported transport %d\n",
> > > > + dev->dsr->caps.mode);
> > > > + ret = -EINVAL;
> > >
> > > This is some fatal error with the device, not that something wrong with
> > > the
> > > function's argument.
> > > Suggesting to replace with -EFAULT.
> > >
> >
> > Thanks, will fix this one and the others here.
>
> Won't EFAULT generate SIGSEGV ?
Since this is called at module load time, wouldn't the module load fail with
this error rather than generate a SIGSEGV?
I'm slightly unclear about what would if it is compiled into the kernel though
I think it should fail with the error.
The only other error value to return here that could make sense is EIO.