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drm/i915: no need to hold mutex for object lookup 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Wilson 2009-06-06 09:46:00 +01:00 committed by Eric Anholt
parent 1f803ee5ce
commit b1ce786cb8
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/i915_gem.c
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@ -3701,15 +3701,14 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
mutex_lock(&dev->struct_mutex);
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
if (obj == NULL) {
DRM_ERROR("Bad handle in i915_gem_busy_ioctl(): %d\n",
args->handle);
mutex_unlock(&dev->struct_mutex);
return -EBADF;
}
mutex_lock(&dev->struct_mutex);
/* Update the active list for the hardware's current position.
* Otherwise this only updates on a delayed timer or when irqs are
* actually unmasked, and our working set ends up being larger than