From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 17 May 2018 16:28:24 +0100
Subject: drm/i915: Nul-terminate legacy debug string
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Git-commit: dd166fbd8d468eae7a6e8f7adab4dd1e22b1a780
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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 <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180517152824.11619-1-chris@chris-wilson.co.uk
(cherry picked from commit 96d4f03c20d04c80026b1ec3643c090cf4f0eb20)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/i915/intel_engine_cs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1114,7 +1114,7 @@ static void print_request(struct drm_pri
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));