make sure a buffer is still alive before attempting to mark it up

orzechowskid · Jul 20, 2019 · 891f54e · 891f54e
1 parent d4be92e
commit 891f54e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/flymake-eslint.el b/flymake-eslint.el
@@ -124,6 +124,8 @@ Create linter process for SOURCE-BUFFER which invokes CALLBACK once linter is fi
          :sentinel (lambda (proc &rest ignored)
                      ;; do stuff upon child process termination
                      (when (and (eq 'exit (process-status proc))
+                                ;; make sure we're not using a deleted buffer
+                                (buffer-live-p source-buffer)
                                 ;; make sure we're using the latest lint process
                                 (with-current-buffer source-buffer (eq proc flymake-eslint--process)))
                        ;; read from eslint output then destroy temp buffer when done