shutdown: Correct comment on the reason to invoke stty
The desired system call is not an ioctl but tcsetattr with
second parameter TCSADRAIN.
Reported-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Milton Miller <miltonm@us.ibm.com>
diff --git a/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-shutdown.sh b/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-shutdown.sh
index 216e7e4..097d9e0 100644
--- a/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-shutdown.sh
+++ b/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-shutdown.sh
@@ -47,7 +47,7 @@
test "$umount_proc" && umount /proc && rmdir /proc
-# ioctl(TIOC_DRAIN) to drain tty messages to console
+# tcsattr(tty, TIOCDRAIN, mode) to drain tty messages to console
test -t 1 && stty cooked 0<&1
# Execute the command systemd told us to ...