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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2009-06-06 09:46:00 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-06-09 14:41:37 -0700 |
| commit | b1ce786cb85280490ca3c29a62ddf8608826b414 (patch) | |
| tree | 01c0eeda679de2a679f2e35a3495a6d5ec2b2bb4 /drivers/gpu | |
| parent | 1f803ee5cea67d2387aeedb4b07e645a743729de (diff) | |
| download | lwn-b1ce786cb85280490ca3c29a62ddf8608826b414.tar.gz lwn-b1ce786cb85280490ca3c29a62ddf8608826b414.zip | |
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 2d705e8a297e..744bf9803ea3 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -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 |