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authorJerome Glisse <jglisse@redhat.com>2009-12-11 20:36:19 +0100
committerDave Airlie <airlied@redhat.com>2009-12-23 11:14:04 +1000
commit0a0c7596c643239e8d4c3eaaba43b74a96f2411e (patch)
treebb387597d7c8260a8cd2a18235cde90cc72c757d /drivers/gpu/drm/radeon/radeon_ttm.c
parentd2efdf6d6f425950a61fa5cc3aa22e6718e7f3c8 (diff)
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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.c4
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 7bed412..a004507 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");
}