Mesa (master): intel/aubinator_error_decode: Get rid of warning for missing switch case

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Module: Mesa
Branch: master
Commit: d7b99ab94728980aa88de78b427d2eca7eb39a27
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d7b99ab94728980aa88de78b427d2eca7eb39a27

Author: Toni Lönnberg <toni.lonnberg at intel.com>
Date:   Tue Dec  4 14:14:51 2018 +0200

intel/aubinator_error_decode: Get rid of warning for missing switch case

../src/intel/tools/aubinator_error_decode.c: In function ‘instdone_register_for_ring’:
../src/intel/tools/aubinator_error_decode.c:177:4: warning: enumeration value ‘I915_ENGINE_CLASS_INVALID’ not handled in switch [-Wswitch]
    switch (class) {
    ^~~~~~
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

---

 src/intel/tools/aubinator_error_decode.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/intel/tools/aubinator_error_decode.c b/src/intel/tools/aubinator_error_decode.c
index 49f0738e88..ea822d0161 100644
--- a/src/intel/tools/aubinator_error_decode.c
+++ b/src/intel/tools/aubinator_error_decode.c
@@ -196,6 +196,9 @@ instdone_register_for_ring(const struct gen_device_info *devinfo,
 
    case I915_ENGINE_CLASS_VIDEO_ENHANCE:
       return "VECS_INSTDONE";
+
+   default:
+      return NULL;
    }
 
    return NULL;