drm/tegra: Fix NULL deref in debugfs/iova

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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>

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Michał Mirosław 2017-08-14 23:53:45 +02:00 • committed by Thierry Reding

parent 7664b2fa42

commit 68d890a3cc

1 changed files with 5 additions and 3 deletions

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drivers/gpu/drm/tegra/drm.c

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