]> git.baikalelectronics.ru Git - kernel.git/commit
drm/nouveau/pmu: do not assume a PMU is present
authorAlexandre Courbot <acourbot@nvidia.com>
Thu, 3 Sep 2015 08:39:52 +0000 (17:39 +0900)
committerBen Skeggs <bskeggs@redhat.com>
Tue, 3 Nov 2015 05:02:18 +0000 (15:02 +1000)
commit0863d10caba785241ba79cf8df9266f1fcc2a61e
tree0ee81f66fad2db795dd124201aca12a84e335c22
parent4b0e4256fedab7df9fc6bf71c9d6f8864d338c85
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@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c