On Wed, Dec 14, 2016 at 02:26:36PM +0200, Joonas Lahtinen wrote:
> On ma, 2016-12-12 at 11:53 +0000, Chris Wilson wrote:
> > Exercise drm_mm_insert_node(), check that we can't overfill a range and
> > that the lists are correct after reserving/removing.
> >
> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
>
> <SNIP>
>
> > +static int __igt_insert(int count, u64 size)
> > +{
>
> <SNIP>
>
> > + for (n = 0; n < count; n++) {
> > + int err;
> > +
> > + node = &nodes[n];
> > + err = drm_mm_insert_node(&mm, node, size, 0,
> > + DRM_MM_SEARCH_DEFAULT);
> > + if (err) {
> > + pr_err("insert failed, step %d, start %llu\n",
> > + n, nodes[n].start);
> > + ret = err;
> > + goto out;
> > + }
> > +
> > + if (!drm_mm_node_allocated(node)) {
> > + pr_err("inserted node not allocated! step %d, start %llu\n",
> > + n, node->start);
> > + goto out;
> > + }
> > + }
> > +
> > + /* Repeated use should then fail */
> > + if (1) {
>
> Why if (1)? What are you not telling me.
That I was too lazy to write a function and dislike bare '{' just to
instantiate a new local so use if(1) as an excuse to start a new block.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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