Re: [Xen-devel] [PATCH for-4.5 1/3] python/xc: Fix multiple issues in pyflask_context_to_sid()

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Dec 09, 2014 at 02:30:24PM +0000, Andrew Cooper wrote:
> On 09/12/14 14:27, Ian Campbell wrote:
> > On Fri, 2014-11-28 at 11:37 +0000, Ian Campbell wrote:
> >> On Thu, 2014-11-27 at 12:34 +0000, Andrew Cooper wrote:
> >>> The error handling from a failed memory allocation should return
> >>> PyErr_SetFromErrno(xc_error_obj); rather than simply calling it and 
> >>> continuing
> >>> to the memcpy() below, with the dest pointer being NULL.
> >>>
> >>> Furthermore, the context string is simply an input parameter to the 
> >>> hypercall,
> >>> and is not mutated anywhere along the way.  The error handling elsewhere 
> >>> in
> >>> the function can be simplified by not duplicating it to start with.
> >>>
> >>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> >>> Coverity-IDs: 1055305 1055721
> >>> CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> >>> CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> >>> CC: Wei Liu <wei.liu2@xxxxxxxxxx>
> >>> CC: Xen Coverity Team <coverity@xxxxxxx>
> >> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> >>
> >> This would have been far more obviously correct for 4.5 if you had stuck
> >> to fixing the issue in the first paragraph.
> > Konrad, given
> > http://article.gmane.org/gmane.comp.emulators.xen.devel/224881 does this
> > have a release ack?
> >
> > Ian.
> >
> 
> I can resubmit with a clearer description if that would help clarity,
> but the code is correct for the fixes (not fantastically well) described.

Please do - that is all I was waiting for. Thank you.
> 
> ~Andrew

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