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drm/i915/gem: Avoid accessing uninitialized context in emit_rpcs_query()

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Following the error path in that function may lead to usage of
uninitialized struct i915_gem_ww_ctx object, so move call to
i915_gem_ww_ctx_init() a bit earlier.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Reviewed-by: Sebastian Brzezinka <sebastian.brzezinka@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://lore.kernel.org/r/casutxyfjv7o4ivadvbich2sq2dt22btc5wcke55r56ptgxx2h@lv7hnxrqw5rq
This commit is contained in:
Krzysztof Karas 2025-09-09 12:09:28 +00:00 committed by Andi Shyti
parent ba391a102e
commit f4d4097a03
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
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@ -962,13 +962,14 @@ emit_rpcs_query(struct drm_i915_gem_object *obj,
if (IS_ERR(rpcs))
return PTR_ERR(rpcs);
i915_gem_ww_ctx_init(&ww, false);
batch = i915_vma_instance(rpcs, ce->vm, NULL);
if (IS_ERR(batch)) {
err = PTR_ERR(batch);
goto err_put;
}
i915_gem_ww_ctx_init(&ww, false);
retry:
err = i915_gem_object_lock(obj, &ww);
if (!err)