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drm/i915: Release and unlock on mmap_gtt error path. 

We failed to unlock the mutex after failing to create the mmap offset.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Chris Wilson 2009-02-11 14:26:31 +00:00 committed by Dave Airlie
parent 2ebed176a7
commit 13af106276
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/i915/i915_gem.c
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@ -758,8 +758,11 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
if (!obj_priv->mmap_offset) { if (!obj_priv->mmap_offset) {
ret = i915_gem_create_mmap_offset(obj); ret = i915_gem_create_mmap_offset(obj);
if (ret) if (ret) {
drm_gem_object_unreference(obj);
mutex_unlock(&dev->struct_mutex);
return ret; return ret;
}
} }
args->offset = obj_priv->mmap_offset; args->offset = obj_priv->mmap_offset;