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authorJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
committerJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
commite75d660672ddd11704b7f0fdb8ff21968587b266 (patch)
treeccb9c107744c10b553c0373e450bee3971d16c00 /drivers/gpu/drm/drm_fops.c
parent61282f37927143e45b03153f3e7b48d6b702147a (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches that fix code that is newer than current HEAD of for-next. Conflicts: drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
-rw-r--r--drivers/gpu/drm/drm_fops.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 6263b014759..cdfbf27b2b3 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -133,6 +133,9 @@ int drm_open(struct inode *inode, struct file *filp)
if (!(dev = minor->dev))
return -ENODEV;
+ if (drm_device_is_unplugged(dev))
+ return -ENODEV;
+
retcode = drm_open_helper(inode, filp, dev);
if (!retcode) {
atomic_inc(&dev->counts[_DRM_STAT_OPENS]);
@@ -181,6 +184,9 @@ int drm_stub_open(struct inode *inode, struct file *filp)
if (!(dev = minor->dev))
goto out;
+ if (drm_device_is_unplugged(dev))
+ goto out;
+
old_fops = filp->f_op;
filp->f_op = fops_get(dev->driver->fops);
if (filp->f_op == NULL) {
@@ -265,6 +271,9 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_open(dev, priv);
+ if (drm_core_check_feature(dev, DRIVER_PRIME))
+ drm_prime_init_file_private(&priv->prime);
+
if (dev->driver->open) {
ret = dev->driver->open(dev, priv);
if (ret < 0)
@@ -565,6 +574,10 @@ int drm_release(struct inode *inode, struct file *filp)
if (dev->driver->postclose)
dev->driver->postclose(dev, file_priv);
+
+ if (drm_core_check_feature(dev, DRIVER_PRIME))
+ drm_prime_destroy_file_private(&file_priv->prime);
+
kfree(file_priv);
/* ========================================================
@@ -579,6 +592,8 @@ int drm_release(struct inode *inode, struct file *filp)
retcode = -EBUSY;
} else
retcode = drm_lastclose(dev);
+ if (drm_device_is_unplugged(dev))
+ drm_put_dev(dev);
}
mutex_unlock(&drm_global_mutex);