diff options
| author | Jerome Glisse | 2009-12-11 20:36:19 +0100 |
|---|---|---|
| committer | Dave Airlie | 2009-12-23 02:14:04 +0100 |
| commit | 0a0c7596c643239e8d4c3eaaba43b74a96f2411e (patch) | |
| tree | bb387597d7c8260a8cd2a18235cde90cc72c757d /drivers/gpu/drm/radeon/radeon_fence.c | |
| parent | drm/radeon/kms: add cvt mode if we only have lvds w/h and no edid (v4) (diff) | |
| download | kernel-qcow2-linux-0a0c7596c643239e8d4c3eaaba43b74a96f2411e.tar.gz kernel-qcow2-linux-0a0c7596c643239e8d4c3eaaba43b74a96f2411e.tar.xz kernel-qcow2-linux-0a0c7596c643239e8d4c3eaaba43b74a96f2411e.zip | |
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_fence.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_fence.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index cb4cd97ae39f..4cdd8b4f7549 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -324,7 +324,7 @@ int radeon_fence_driver_init(struct radeon_device *rdev) write_lock_irqsave(&rdev->fence_drv.lock, irq_flags); r = radeon_scratch_get(rdev, &rdev->fence_drv.scratch_reg); if (r) { - DRM_ERROR("Fence failed to get a scratch register."); + dev_err(rdev->dev, "fence failed to get scratch register\n"); write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags); return r; } @@ -335,9 +335,10 @@ int radeon_fence_driver_init(struct radeon_device *rdev) INIT_LIST_HEAD(&rdev->fence_drv.signaled); rdev->fence_drv.count_timeout = 0; init_waitqueue_head(&rdev->fence_drv.queue); + rdev->fence_drv.initialized = true; write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags); if (radeon_debugfs_fence_init(rdev)) { - DRM_ERROR("Failed to register debugfs file for fence !\n"); + dev_err(rdev->dev, "fence debugfs file creation failed\n"); } return 0; } @@ -346,11 +347,13 @@ void radeon_fence_driver_fini(struct radeon_device *rdev) { unsigned long irq_flags; + if (!rdev->fence_drv.initialized) + return; wake_up_all(&rdev->fence_drv.queue); write_lock_irqsave(&rdev->fence_drv.lock, irq_flags); radeon_scratch_free(rdev, rdev->fence_drv.scratch_reg); write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags); - DRM_INFO("radeon: fence finalized\n"); + rdev->fence_drv.initialized = false; } |