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| author | Jerome Glisse <jglisse@redhat.com> | 2009-12-11 22:36:19 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-12-23 04:14:04 +0300 |
| commit | 0a0c7596c643239e8d4c3eaaba43b74a96f2411e (patch) | |
| tree | bb387597d7c8260a8cd2a18235cde90cc72c757d /drivers/gpu/drm/radeon/radeon_ttm.c | |
| parent | d2efdf6d6f425950a61fa5cc3aa22e6718e7f3c8 (diff) | |
| download | linux-0a0c7596c643239e8d4c3eaaba43b74a96f2411e.tar.xz | |
drm/radeon/kms: Avoid crash when trying to cleanup uninitialized structure
Add boolean to record if some part of the driver are initialized or
not this allow to avoid a crash when trying to cleanup uninitialized
structure members.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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 7bed4122528c..a00450743d60 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -494,6 +494,7 @@ int radeon_ttm_init(struct radeon_device *rdev) DRM_ERROR("failed initializing buffer object driver(%d).\n", r); return r; } + rdev->mman.initialized = true; r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM, rdev->mc.real_vram_size >> PAGE_SHIFT); if (r) { @@ -541,6 +542,8 @@ void radeon_ttm_fini(struct radeon_device *rdev) { int r; + if (!rdev->mman.initialized) + return; if (rdev->stollen_vga_memory) { r = radeon_bo_reserve(rdev->stollen_vga_memory, false); if (r == 0) { @@ -554,6 +557,7 @@ void radeon_ttm_fini(struct radeon_device *rdev) ttm_bo_device_release(&rdev->mman.bdev); radeon_gart_fini(rdev); radeon_ttm_global_fini(rdev); + rdev->mman.initialized = false; DRM_INFO("radeon: ttm finalized\n"); } |