From d816f6ac4f9877509baa3610be0d25b7afc29c00 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Sat, 18 Apr 2009 10:43:32 +0800 Subject: [PATCH] drm/i915: fix unpaired i915 device mutex on entervt failure. Signed-off-by: Wu Fengguang Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_gem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4642115902d6..ee896d91c5bc 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4087,8 +4087,10 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data, dev_priv->mm.suspended = 0; ret = i915_gem_init_ringbuffer(dev); - if (ret != 0) + if (ret != 0) { + mutex_unlock(&dev->struct_mutex); return ret; + } spin_lock(&dev_priv->mm.active_list_lock); BUG_ON(!list_empty(&dev_priv->mm.active_list));