Blame SOURCES/0269-fcoe-fcoe-edd.sh-cleanup-the-script.patch

64b87c
From 34203d03c0d43aa0aed12988d2719455e80eae54 Mon Sep 17 00:00:00 2001
64b87c
From: Harald Hoyer <harald@redhat.com>
64b87c
Date: Fri, 3 Jul 2015 13:52:32 +0200
64b87c
Subject: [PATCH] fcoe/fcoe-edd.sh: cleanup the script
64b87c
64b87c
- check if modprobe was successful
64b87c
- add a timeout for /sys/firmware/edd
64b87c
- only remove the module, if it was loaded by the script
64b87c
---
64b87c
 modules.d/95fcoe/fcoe-edd.sh | 46 ++++++++++++++++++++++++++++++--------------
64b87c
 1 file changed, 32 insertions(+), 14 deletions(-)
64b87c
64b87c
diff --git a/modules.d/95fcoe/fcoe-edd.sh b/modules.d/95fcoe/fcoe-edd.sh
64b87c
index d0ea60d..8607b56 100755
64b87c
--- a/modules.d/95fcoe/fcoe-edd.sh
64b87c
+++ b/modules.d/95fcoe/fcoe-edd.sh
64b87c
@@ -2,37 +2,55 @@
64b87c
 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
64b87c
 # ex: ts=8 sw=4 sts=4 et filetype=sh
64b87c
 
64b87c
-dcb=$1
64b87c
+dcb="$1"
64b87c
 
64b87c
-if ! [ -d /sys/firmware/edd ]; then
64b87c
-    modprobe edd
64b87c
-    while ! [ -d /sys/firmware/edd ]; do sleep 0.1; done
64b87c
-fi
64b87c
+_modprobe_r_edd="0"
64b87c
+
64b87c
+check_edd() {
64b87c
+    local cnt=0
64b87c
+
64b87c
+    [ -d /sys/firmware/edd ] && return 0
64b87c
+
64b87c
+    _modprobe_r_edd="1"
64b87c
+    modprobe edd || return $?
64b87c
+
64b87c
+    while [ $cnt -lt 600 ]; do
64b87c
+        [ -d /sys/firmware/edd ] && return 0
64b87c
+        cnt=$(($cnt+1))
64b87c
+        sleep 0.1
64b87c
+    done
64b87c
+    return 1
64b87c
+}
64b87c
+
64b87c
+check_edd || exit 1
64b87c
 
64b87c
 for disk in /sys/firmware/edd/int13_*; do
64b87c
-    [ -d $disk ] || continue
64b87c
-    if [ -e ${disk}/pci_dev/driver ]; then
64b87c
-	    driver=`readlink ${disk}/pci_dev/driver`
64b87c
+    [ -d "$disk" ] || continue
64b87c
+    if [ -e "${disk}/pci_dev/driver" ]; then
64b87c
+	    driver=$(readlink "${disk}/pci_dev/driver")
64b87c
 	    driver=${driver##*/}
64b87c
     fi
64b87c
     # i40e uses dev_port 1 for a virtual fcoe function
64b87c
     if [ "${driver}" == "i40e" ]; then
64b87c
 	    dev_port=1
64b87c
     fi
64b87c
-    for nic in ${disk}/pci_dev/net/*; do
64b87c
-        [ -d $nic ] || continue
64b87c
-	if [ -n "${dev_port}" -a -e ${nic}/dev_port ]; then
64b87c
-		if [ `cat ${nic}/dev_port` -ne ${dev_port} ]; then
64b87c
+    for nic in "${disk}"/pci_dev/net/*; do
64b87c
+        [ -d "$nic" ] || continue
64b87c
+	if [ -n "${dev_port}" -a -e "${nic}/dev_port" ]; then
64b87c
+		if [ "$(cat ${nic}/dev_port)" -ne "${dev_port}" ]; then
64b87c
 			continue
64b87c
 		fi
64b87c
 	fi
64b87c
         if [ -e ${nic}/address ]; then
64b87c
 	    fcoe_interface=${nic##*/}
64b87c
 	    if ! [ -e "/tmp/.fcoe-$fcoe_interface" ]; then
64b87c
-		/sbin/fcoe-up $fcoe_interface $dcb
64b87c
+		/sbin/fcoe-up "$fcoe_interface" "$dcb"
64b87c
 		> "/tmp/.fcoe-$fcoe_interface"
64b87c
 	    fi
64b87c
         fi
64b87c
     done
64b87c
 done
64b87c
-modprobe -r edd
64b87c
+
64b87c
+[ "$_modprobe_r_edd" = "1" ] && modprobe -r edd
64b87c
+
64b87c
+unset _modprobe_r_edd