summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/radeon_fence.c
diff options
context:
space:
mode:
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_fence.c
parentd2efdf6d6f425950a61fa5cc3aa22e6718e7f3c8 (diff)
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.c9
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 cb4cd97ae39..4cdd8b4f754 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;
}