From 5486c48c370d60126666ad49ecb94400f91ea2e5 Mon Sep 17 00:00:00 2001
From: jim-p <jimp@pfsense.org>
Date: Mon, 31 Dec 2012 10:39:47 -0500
Subject: Make sure a device actually exists before trying to act on it. Fixes
 #2739

---
 etc/rc.disable_hdd_apm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/etc/rc.disable_hdd_apm b/etc/rc.disable_hdd_apm
index 58f3734..e9b3ba5 100755
--- a/etc/rc.disable_hdd_apm
+++ b/etc/rc.disable_hdd_apm
@@ -2,6 +2,9 @@
 
 ATAIDLE=/usr/local/sbin/ataidle
 for i in /dev/ad?; do
+	if [ ! -e ${i} ]; then
+		continue;
+	fi
 	SUPPORTED=`${ATAIDLE} ${i} | grep "APM Supported" | awk '{print $3;}'`
 	if [ "${SUPPORTED}" = "yes" ] ; then
 		echo Disabling APM on $i
-- 
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