diff options
| author |   Jani Nikula <jani.nikula@intel.com> | 2014-12-05 14:17:42 +0200 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-12-05 15:03:44 +0100 |
| commit | 7bcc3777b12a05687e5080e4de3c108f35d6aec8 (patch) | |
| tree | 7b806b2a67376a6c7b51d97b4315008f1aec6278 /drivers/gpu | |
| parent | drm/i915: Added port as parameter to the functions which does read/write of DSI Controller (diff) | |
drm/i915: release struct_mutex on the i915_gem_init_hw fail path
Release struct_mutex if init_rings() fails.
This is a regression introduced in
commit 35a57ffbb10840af219eeaf64718434242bb7c76
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Nov 20 00:33:07 2014 +0100
drm/i915: Only init engines once
Reported-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index c1c11418231b..e3ce4bef22a3 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4860,22 +4860,18 @@ int i915_gem_init(struct drm_device *dev) } ret = i915_gem_init_userptr(dev); - if (ret) { - mutex_unlock(&dev->struct_mutex); - return ret; - } + if (ret) + goto out_unlock; i915_gem_init_global_gtt(dev); ret = i915_gem_context_init(dev); - if (ret) { - mutex_unlock(&dev->struct_mutex); - return ret; - } + if (ret) + goto out_unlock; ret = dev_priv->gt.init_rings(dev); if (ret) - return ret; + goto out_unlock; ret = i915_gem_init_hw(dev); if (ret == -EIO) { @@ -4887,6 +4883,8 @@ int i915_gem_init(struct drm_device *dev) atomic_set_mask(I915_WEDGED, &dev_priv->gpu_error.reset_counter); ret = 0; } + +out_unlock: mutex_unlock(&dev->struct_mutex); return ret; |