drm/i915: shut up spurious WARN in the gtt fault handler
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 17 Oct 2012 09:17:16 +0000 (11:17 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 17 Oct 2012 09:56:40 +0000 (11:56 +0200)
-ENOSPC can happen if userspace is being simplistic and tries to map a
too big object. To aid further spurious WARN debugging, also print out
the error code.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56017
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_gem.c

index bb941f8cd55645adfb37ef10419abf5042d4228c..45888d2ed534074b7563a7d25f193e26832acf0b 100644 (file)
@@ -1408,8 +1408,10 @@ out:
                return VM_FAULT_NOPAGE;
        case -ENOMEM:
                return VM_FAULT_OOM;
+       case -ENOSPC:
+               return VM_FAULT_SIGBUS;
        default:
-               WARN_ON_ONCE(ret);
+               WARN_ONCE(ret, "unhandled error in i915_gem_fault: %i\n", ret);
                return VM_FAULT_SIGBUS;
        }
 }