From 491fb40dd3c12aceb9ba58c1c64e1d08b5162107 Mon Sep 17 00:00:00 2001
From: Nikolay Krasko <nikolay.krasko@jetbrains.com>
Date: Fri, 1 Mar 2019 16:45:13 +0300
Subject: [PATCH] Fix INRE from find usages activated with Ctrl + Click
 (EA-137655)

Only Ctrl + Click is affected as find usages from Alt + F7 is a different
action (`GotoDeclarationAction` is `DumbAware`, but `ShowUsagesAction` is not).
---
 .../kotlin/idea/findUsages/handlers/KotlinFindUsagesHandler.kt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/findUsages/handlers/KotlinFindUsagesHandler.kt b/idea/src/org/jetbrains/kotlin/idea/findUsages/handlers/KotlinFindUsagesHandler.kt
index 7d85712e3f7..c09ab86aa46 100644
--- a/idea/src/org/jetbrains/kotlin/idea/findUsages/handlers/KotlinFindUsagesHandler.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/findUsages/handlers/KotlinFindUsagesHandler.kt
@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.idea.findUsages.handlers
 import com.intellij.find.findUsages.FindUsagesHandler
 import com.intellij.find.findUsages.FindUsagesOptions
 import com.intellij.openapi.diagnostic.Logger
+import com.intellij.openapi.project.DumbService
 import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiReference
 import com.intellij.psi.impl.light.LightMemberReference
@@ -73,7 +74,7 @@ abstract class KotlinFindUsagesHandler<T : PsiElement>(psiElement: T,
 
     protected fun searchReferences(element: PsiElement, processor: Processor<UsageInfo>, options: FindUsagesOptions): Boolean {
         val searcher = createSearcher(element, processor, options)
-        if (!runReadAction { searcher.buildTaskList() }) return false
+        if (!DumbService.getInstance(element.project).runReadActionInSmartMode<Boolean> { searcher.buildTaskList() }) return false
         return searcher.executeTasks()
     }