tree: git://anongit.freedesktop.org/drm-intel drm-intel-next-queued head: 21a2c58a9c122151080ecbdddc115257cd7c30d8 commit: 2bd160a131ac617fc2441bfb4a02964c964a5da6 [7/33] drm/i915: Reduce i915_gem_objects to only show object information config: x86_64-randconfig-s2-08151903 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: git checkout 2bd160a131ac617fc2441bfb4a02964c964a5da6 # save the attached .config to linux build tree make ARCH=x86_64

Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings

All errors (new ones prefixed by >>):

cc1: warnings being treated as errors drivers/gpu/drm/i915/i915_debugfs.c: In function 'i915_gem_object_info':

...

drivers/gpu/drm/i915/i915_debugfs.c:392: error: 'mapped_count' may be used uninitialized in this function drivers/gpu/drm/i915/i915_debugfs.c:393: error: 'mapped_size' may be used uninitialized in this function

vim +/mapped_count +392 drivers/gpu/drm/i915/i915_debugfs.c

386 static int i915_gem_object_info(struct seq_file *m, void* data) 387 { 388 struct drm_info_node *node = m->private; 389 struct drm_device *dev = node->minor->dev; 390 struct drm_i915_private *dev_priv = to_i915(dev); 391 struct i915_ggtt *ggtt = &dev_priv->ggtt;

392 u32 count, mapped_count, purgeable_count, dpy_count; 393 u64 size, mapped_size, purgeable_size, dpy_size;

394 struct drm_i915_gem_object *obj; 395 struct drm_file *file; 396 int ret;

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