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| author | Ingo Molnar <mingo@kernel.org> | 2015-04-08 09:01:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-04-08 09:01:54 +0200 |
| commit | 4bcc7827b02feea2c762fa6d46a1bffb300d7403 (patch) | |
| tree | 45fd2b64247cd44201fe519720494d4bf01b7014 /drivers/gpu/drm/radeon/radeon_ttm.c | |
| parent | 3f705dfdf85a6416f5f12e52b7610144a99cbedc (diff) | |
| parent | f22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff) | |
Merge tag 'v4.0-rc7' into x86/asm, to resolve conflicts
Conflicts:
arch/x86/kernel/entry_64.S
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ttm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index d02aa1d0f588..b292aca0f342 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -598,6 +598,10 @@ static void radeon_ttm_tt_unpin_userptr(struct ttm_tt *ttm) enum dma_data_direction direction = write ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE; + /* double check that we don't free the table twice */ + if (!ttm->sg->sgl) + return; + /* free the sg table and pages again */ dma_unmap_sg(rdev->dev, ttm->sg->sgl, ttm->sg->nents, direction); |