On Wed, Jan 06, 2016 at 09:23:20AM -0500, Ilia Mirkin wrote: > This commit should be backported to kernel 4.3 (apologies for > line-wrapping). Without it, we get a null deref (i.e. oops) on GF117 > GPUs which for one reason or another don't have the PMU hooked up. > That should be fixed in its own right, but that's a separate matter. > The issue was introduced in commit e2ca4e7d6e (drm/nouveau/pmu: > convert to new-style nvkm_subdev) > > commit 579b7c58215329803ce184704463de09f0f310ac > Author: Alexandre Courbot <acourbot@xxxxxxxxxx> > Date: Thu Sep 3 17:39:52 2015 +0900 > > drm/nouveau/pmu: do not assume a PMU is present > > Some devices may not have a PMU. Avoid a NULL pointer dereference in > such cases by checking whether the pointer given to nvkm_pmu_pgob() is > valid. > > Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx> > Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx> > Now applied, thanks. greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html