[PATCH][next] amd/amdgpu_ctx: Use struct_size() helper and kmalloc()

Gustavo A. R. Silva gustavoars at kernel.org
Fri Oct 9 14:39:47 UTC 2020


On Fri, Oct 09, 2020 at 04:29:55PM +0200, Christian König wrote:
> > > > -	entity = kcalloc(1, offsetof(typeof(*entity), fences[amdgpu_sched_jobs]),
> > > > +	entity = kmalloc(struct_size(entity, fences, amdgpu_sched_jobs),
> > > NAK. You could use kzalloc() here, but kmalloc won't zero initialize the
> > > memory which could result in unforeseen consequences.
> > Oh I see.. I certainly didn't take that into account.
> > 
> > I'll fix that up and respin.
> 
> Shit happens, we already have a fix for this. Alex merged it and it
> immediately broke our testing systems.

:/

> So one of our engineers came up with a fix which should already have been
> applied.

Great. Good to know it's already fixed! :)

Thanks
--
Gustavo


More information about the amd-gfx mailing list