* src/su.c: non PAM enabled versions: do not fail if su is called

without a controlling terminal. Ignore ENXIO errors when opening /dev/tty.
2012-05-20 16:15:14 +00:00
parent 8690c74d6a
commit f100b5ea7e
3 changed files with 18 additions and 0 deletions
--- a/src/su.c
+++ b/src/su.c
@@ -1092,6 +1092,9 @@ int main (int argc, char **argv)
 		if (fd >= 0) {
 			err = ioctl (fd, TIOCNOTTY, (char *) 0);
 			(void) close (fd);
+		} else if (ENXIO == errno) {
+			/* There are no controlling terminal already */
+			err = 0;
 		}
 #endif				/* USE_PAM */