lk/linux-kernel-test
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Merge branch 'master' into export-slabh

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This commit is contained in:
Tejun Heo
2010-04-05 11:37:28 +09:00
parent a4ab277320 db217dece3
commit 336f5899d2
183 changed files with 4625 additions and 2682 deletions
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16
drivers/gpu/drm/drm_fops.c
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@@ -141,14 +141,16 @@ int drm_open(struct inode *inode, struct file *filp)
spin_unlock(&dev->count_lock);
}
out:
mutex_lock(&dev->struct_mutex);
if (minor->type == DRM_MINOR_LEGACY) {
BUG_ON((dev->dev_mapping != NULL) &&
(dev->dev_mapping != inode->i_mapping));
if (dev->dev_mapping == NULL)
dev->dev_mapping = inode->i_mapping;
if (!retcode) {
mutex_lock(&dev->struct_mutex);
if (minor->type == DRM_MINOR_LEGACY) {
if (dev->dev_mapping == NULL)
dev->dev_mapping = inode->i_mapping;
else if (dev->dev_mapping != inode->i_mapping)
retcode = -ENODEV;
}
mutex_unlock(&dev->struct_mutex);
}
mutex_unlock(&dev->struct_mutex);
return retcode;
}