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SubjectRe: [PATCH] drm/i915/gt: remove redundant assignment to variable x
Hi Colin,

url: https://github.com/0day-ci/linux/commits/Colin-King/drm-i915-gt-remove-redundant-assignment-to-variable-x/20200411-032731
base: git://anongit.freedesktop.org/drm-intel for-linux-next

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

smatch warnings:
drivers/gpu/drm/i915/gt/intel_engine_cs.c:1210 print_request() error: uninitialized symbol 'x'.

# https://github.com/0day-ci/linux/commit/6ee08d455bba0066e8f5f276dcd43d9e3e594dc5
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 6ee08d455bba0066e8f5f276dcd43d9e3e594dc5
vim +/x +1210 drivers/gpu/drm/i915/gt/intel_engine_cs.c

f636edb214a5ff drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2017-10-09 1202 static void print_request(struct drm_printer *m,
e61e0f51ba7974 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-02-21 1203 struct i915_request *rq,
f636edb214a5ff drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2017-10-09 1204 const char *prefix)
f636edb214a5ff drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2017-10-09 1205 {
ab2681512b4c10 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-03-14 1206 const char *name = rq->fence.ops->get_timeline_name(&rq->fence);
96d4f03c20d04c drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-05-17 1207 char buf[80] = "";
6ee08d455bba00 drivers/gpu/drm/i915/gt/intel_engine_cs.c Colin Ian King 2020-04-10 1208 int x;
^^^^^

247870ac8ea729 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-04-24 1209
247870ac8ea729 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-04-24 @1210 x = print_sched_attr(rq->i915, &rq->sched.attr, buf, x, sizeof(buf));
^
Uninitialized variable

ab2681512b4c10 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-03-14 1211
b300fde8965fdd drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2019-02-26 1212 drm_printf(m, "%s %llx:%llx%s%s %s @ %dms: %s\n",
b7268c5eed0ab4 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-04-18 1213 prefix,
b300fde8965fdd drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2019-02-26 1214 rq->fence.context, rq->fence.seqno,
8547444137ec61 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2019-01-29 1215 i915_request_completed(rq) ? "!" :
8547444137ec61 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2019-01-29 1216 i915_request_started(rq) ? "*" :
8547444137ec61 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2019-01-29 1217 "",
8c334f24e3b448 drivers/gpu/drm/i915/gt/intel_engine_cs.c Chris Wilson 2019-05-01 1218 test_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
8c334f24e3b448 drivers/gpu/drm/i915/gt/intel_engine_cs.c Chris Wilson 2019-05-01 1219 &rq->fence.flags) ? "+" :
52c0fdb25c7c91 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2019-01-29 1220 test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
8c334f24e3b448 drivers/gpu/drm/i915/gt/intel_engine_cs.c Chris Wilson 2019-05-01 1221 &rq->fence.flags) ? "-" :
8c334f24e3b448 drivers/gpu/drm/i915/gt/intel_engine_cs.c Chris Wilson 2019-05-01 1222 "",
247870ac8ea729 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-04-24 1223 buf,
f636edb214a5ff drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2017-10-09 1224 jiffies_to_msecs(jiffies - rq->emitted_jiffies),
ab2681512b4c10 drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2018-03-14 1225 name);
f636edb214a5ff drivers/gpu/drm/i915/intel_engine_cs.c Chris Wilson 2017-10-09 1226 }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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