sandbox: Tidy up terminal restore

[karo-tx-uboot.git] / arch / sandbox / cpu / os.c

diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index e6dd17e9efc7c62777bc6e4210c367abb2471435..8a4d719835ccb88c00b5aa6fd1e37cfdc049e8e8 100644 (file)
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -107,10 +107,12 @@ void os_exit(int exit_code)
 static struct termios orig_term;
 static bool term_setup;
 
-static void os_fd_restore(void)
+void os_fd_restore(void)
 {
-       if (term_setup)
+       if (term_setup) {
                tcsetattr(0, TCSANOW, &orig_term);
+               term_setup = false;
+       }
 }
 
 /* Put tty into raw mode so <tab> and <ctrl+c> work */
@@ -120,7 +122,6 @@ void os_tty_raw(int fd, bool allow_sigs)
 
        if (term_setup)
                return;
-       term_setup = true;
 
        /* If not a tty, don't complain */
        if (tcgetattr(fd, &orig_term))
@@ -134,6 +135,7 @@ void os_tty_raw(int fd, bool allow_sigs)
        if (tcsetattr(fd, TCSANOW, &term))
                return;
 
+       term_setup = true;
        atexit(os_fd_restore);
 }