Re: [PATCH] IB/rdmavt: return proper error code

From: Jason Gunthorpe
Date: Fri Apr 24 2020 - 10:00:52 EST


On Fri, Apr 24, 2020 at 01:50:22PM +0000, Marciniszyn, Mike wrote:
> > Subject: Re: [PATCH] IB/rdmavt: return proper error code
> >
> > On Thu, Apr 23, 2020 at 01:04:34PM +0100, Sudip Mukherjee wrote:
> > > The function rvt_create_mmap_info() can return either NULL or an error
> > > in ERR_PTR(). Check properly for both the error type and return the
> > > error code accordingly.
> >
> > Please fix rvt_create_mmap_info to always return ERR_PTR, never null
> > on failure.
> >
> > Thanks,
> > Jason
>
> I agree on the ERR_PTR return, but the patch is incomplete.
>
> The original patch:
>
> Fixes: ff23dfa13457 ("IB: Pass only ib_udata in function prototypes")
>
> Broke all the call sites: cq.c, srq.c, and qp.c.

Sure looks like it, someone make a patch..

Jason