make all objects used with atomic operations volatile

[musl] / src / misc / pty.c

diff --git a/src/misc/pty.c b/src/misc/pty.c
index 9e201ef..b395d2c 100644 (file)
--- a/src/misc/pty.c
+++ b/src/misc/pty.c
@@ -26,7 +26,7 @@ int __ptsname_r(int fd, char *buf, size_t len)
 {
        int pty, err;
        if (!buf) len = 0;
-       if ((err = __syscall(SYS_ioctl, fd, TIOCGPTN, &pty))) return err;
+       if ((err = __syscall(SYS_ioctl, fd, TIOCGPTN, &pty))) return -err;
        if (snprintf(buf, len, "/dev/pts/%d", pty) >= len) return ERANGE;
        return 0;
 }