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[v8,02/12] drm/i915: Correctly handle error path in i915_gem_init_hw

Message ID 20180409122332.24788-2-michal.wajdeczko@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Michal Wajdeczko April 9, 2018, 12:23 p.m. UTC 
In function gem_init_hw() we are calling uc_init_hw() but in case
of error later in function, we missed to call matching uc_fini_hw()

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index dd3e292..26294e8 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5246,9 +5246,15 @@  int i915_gem_init_hw(struct drm_i915_private *dev_priv)
 
 	/* Only when the HW is re-initialised, can we replay the requests */
 	ret = __i915_gem_restart_engines(dev_priv);
+	if (ret)
+		goto cleanup_uc;
 out:
 	intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
 	return ret;
+
+cleanup_uc:
+	intel_uc_fini_hw(dev_priv);
+	goto out;
 }
 
 static int __intel_engines_record_defaults(struct drm_i915_private *i915)