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drm/i915: Nul-terminate legacy debug string 

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

Fixes: 247870ac8e ("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
hifive-unleashed-5.1
Chris Wilson 2018-05-17 16:28:24 +01:00
parent 57877b7073
commit 96d4f03c20
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_engine_cs.c
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@ -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));