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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-04 11:14:47 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-04 11:14:47 +0100 |
| commit | a1be621dfacbef0fd374d8acd553d71e07bf29ac (patch) | |
| tree | 32b0355454b43b1098b5e01dd699fd7281abf781 /drivers/gpu/drm/drm_fops.c | |
| parent | Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
| parent | Linux 2.6.29-rc7 (diff) | |
| download | linux-a1be621dfacbef0fd374d8acd553d71e07bf29ac.tar.xz linux-a1be621dfacbef0fd374d8acd553d71e07bf29ac.zip | |
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc7' into tracing/core
Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
| -rw-r--r-- | drivers/gpu/drm/drm_fops.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 6c020fe5431c..f52663ebe016 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -484,6 +484,7 @@ int drm_release(struct inode *inode, struct file *filp) mutex_lock(&dev->struct_mutex); if (file_priv->is_master) { + struct drm_master *master = file_priv->master; struct drm_file *temp; list_for_each_entry(temp, &dev->filelist, lhead) { if ((temp->master == file_priv->master) && @@ -491,6 +492,19 @@ int drm_release(struct inode *inode, struct file *filp) temp->authenticated = 0; } + /** + * Since the master is disappearing, so is the + * possibility to lock. + */ + + if (master->lock.hw_lock) { + if (dev->sigdata.lock == master->lock.hw_lock) + dev->sigdata.lock = NULL; + master->lock.hw_lock = NULL; + master->lock.file_priv = NULL; + wake_up_interruptible_all(&master->lock.lock_queue); + } + if (file_priv->minor->master == file_priv->master) { /* drop the reference held my the minor */ drm_master_put(&file_priv->minor->master); |