From: Chris Wilson Date: Sat, 6 Jun 2009 08:46:00 +0000 (+0100) Subject: drm/i915: no need to hold mutex for object lookup X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b1ce786cb85280490ca3c29a62ddf8608826b414;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git drm/i915: no need to hold mutex for object lookup Signed-off-by: Chris Wilson Signed-off-by: Eric Anholt --- 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