Quoting Dan Carpenter (2019-10-11 12:42:09)
> Hello Chris Wilson,
>
> This is a semi-automatic email about new static checker warnings.
>
> The patch 50d16d44cce4: "drm/i915/selftests: Exercise context
> switching in parallel" from Sep 30, 2019, leads to the following
> Smatch complaint:
>
> drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c:349
> live_parallel_switch()
> error: we previously assumed 'data' could be null (see line 263)
>
> drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
> 257 }
> 258
> 259 engines = i915_gem_context_lock_engines(ctx);
> 260 count = engines->num_engines;
> 261
> 262 data = kcalloc(count, sizeof(*data), GFP_KERNEL);
> 263 if (!data) {
> 264 i915_gem_context_unlock_engines(ctx);
> 265 err = -ENOMEM;
> 266 goto out;
> ^^^^^^^^
> goto out is always a sign of troubled times ahead...
Has been upgraded to out_file with claims of fewer burnt toast.
-Chris
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