fix "execvp: No such file or directory" in emergency_shell

Older versions of setsid emit this message on stderr if you try to run
"setsid --help". Redirect it to /dev/null.

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index a6c4e24573471dadbb1482722a4d90fb50a474dc..f0d426ccdf61d834aa02fc07e1074ff8ba18713b 100755 (executable)
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -814,7 +814,7 @@ emergency_shell()
             _ctty=/dev/$_ctty
         fi
         [ -c "$_ctty" ] || _ctty=/dev/tty1
-        strstr "$(setsid --help)" "control" && CTTY="-c"
+        strstr "$(setsid --help 2>/dev/null)" "control" && CTTY="-c"
         setsid $CTTY /bin/sh -i -l 0<$_ctty 1>$_ctty 2>&1
     else
         warn "Boot has failed. To debug this issue add \"rdshell\" to the kernel command line."