Commits
Michał Mirosław committed 68d890a3cca
drm/tegra: Fix NULL deref in debugfs/iova When IOMMU is off, ->mm_lock is not initialized and ->mm is NULL. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Thierry Reding <treding@nvidia.com>