drm/tegra: gem: Check before freeing CMA memory

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dma_free_writecombine() must not be called on a buffer that couldn't be
allocated. Check for a valid virtual address before attempting to free
the memory to avoid a crash.

Reported-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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Thierry Reding 2014-11-06 14:41:31 +01:00

parent cb10c81fdf

commit 7e0180e357

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/tegra/gem.c

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