From: Jason Ekstrand Date: Thu, 8 Jul 2021 15:48:22 +0000 (-0500) Subject: drm/i915/gem: Rework error handling in default_engines X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=07a635a825e6649f7c6dbea55e2a0557c30f1a73;p=uclinux-h8%2Flinux.git drm/i915/gem: Rework error handling in default_engines Since free_engines works for partially constructed engine sets, we can use the usual goto pattern. Signed-off-by: Jason Ekstrand Reviewed-by: Daniel Vetter Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20210708154835.528166-18-jason@jlekstrand.net --- diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 741624da8db7..5b75f98274b9 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -366,7 +366,7 @@ static struct i915_gem_engines *default_engines(struct i915_gem_context *ctx) { const struct intel_gt *gt = &ctx->i915->gt; struct intel_engine_cs *engine; - struct i915_gem_engines *e; + struct i915_gem_engines *e, *err; enum intel_engine_id id; e = alloc_engines(I915_NUM_ENGINES); @@ -384,18 +384,21 @@ static struct i915_gem_engines *default_engines(struct i915_gem_context *ctx) ce = intel_context_create(engine); if (IS_ERR(ce)) { - __free_engines(e, e->num_engines + 1); - return ERR_CAST(ce); + err = ERR_CAST(ce); + goto free_engines; } intel_context_set_gem(ce, ctx); e->engines[engine->legacy_idx] = ce; - e->num_engines = max(e->num_engines, engine->legacy_idx); + e->num_engines = max(e->num_engines, engine->legacy_idx + 1); } - e->num_engines++; return e; + +free_engines: + free_engines(e); + return err; } void i915_gem_context_release(struct kref *ref)