1 files changed, 5 insertions, 0 deletions

diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index c94c3bd70ccd..df4a985716eb 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -610,6 +610,11 @@ int start_idle_thread(void *stack, jmp_buf *switch_buf)
                 fatal_sigsegv();
         }
         longjmp(*switch_buf, 1);
+
+        /* unreachable */
+        printk(UM_KERN_ERR "impossible long jump!");
+        fatal_sigsegv();
+        return 0;
 }
 
 void initial_thread_cb_skas(void (*proc)(void *), void *arg)