Make sure that when we don't have any scheduler attributes for the
request the string is terminated.

Fixes: 247870ac8ea7 ("drm/i915: Build request info on stack before printk")
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c 
b/drivers/gpu/drm/i915/intel_engine_cs.c
index d4e159ae65a6..e78c6e769e8c 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1143,7 +1143,7 @@ static void print_request(struct drm_printer *m,
                          const char *prefix)
 {
        const char *name = rq->fence.ops->get_timeline_name(&rq->fence);
-       char buf[80];
+       char buf[80] = "";
        int x = 0;
 
        x = print_sched_attr(rq->i915, &rq->sched.attr, buf, x, sizeof(buf));
-- 
2.17.0

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