dracut/0107-fcoe-fcoe-edd.sh-cleanup-the-script.patch

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From cca313fa759997d8d2f2d1926e51c91b152e363b Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Fri, 3 Jul 2015 13:52:32 +0200
Subject: [PATCH] fcoe/fcoe-edd.sh: cleanup the script
- check if modprobe was successful
- add a timeout for /sys/firmware/edd
- only remove the module, if it was loaded by the script
(cherry picked from commit 34203d03c0d43aa0aed12988d2719455e80eae54)
---
modules.d/95fcoe/fcoe-edd.sh | 46 ++++++++++++++++++++++++++++++--------------
1 file changed, 32 insertions(+), 14 deletions(-)
diff --git a/modules.d/95fcoe/fcoe-edd.sh b/modules.d/95fcoe/fcoe-edd.sh
index fb3dcd7..3b07ad3 100755
--- a/modules.d/95fcoe/fcoe-edd.sh
+++ b/modules.d/95fcoe/fcoe-edd.sh
@@ -1,36 +1,54 @@
#!/bin/sh
-dcb=$1
+dcb="$1"
-if ! [ -d /sys/firmware/edd ]; then
- modprobe edd
- while ! [ -d /sys/firmware/edd ]; do sleep 0.1; done
-fi
+_modprobe_r_edd="0"
+
+check_edd() {
+ local cnt=0
+
+ [ -d /sys/firmware/edd ] && return 0
+
+ _modprobe_r_edd="1"
+ modprobe edd || return $?
+
+ while [ $cnt -lt 600 ]; do
+ [ -d /sys/firmware/edd ] && return 0
+ cnt=$(($cnt+1))
+ sleep 0.1
+ done
+ return 1
+}
+
+check_edd || exit 1
for disk in /sys/firmware/edd/int13_*; do
- [ -d $disk ] || continue
- if [ -e ${disk}/pci_dev/driver ]; then
- driver=`readlink ${disk}/pci_dev/driver`
+ [ -d "$disk" ] || continue
+ if [ -e "${disk}/pci_dev/driver" ]; then
+ driver=$(readlink "${disk}/pci_dev/driver")
driver=${driver##*/}
fi
# i40e uses dev_port 1 for a virtual fcoe function
if [ "${driver}" == "i40e" ]; then
dev_port=1
fi
- for nic in ${disk}/pci_dev/net/*; do
- [ -d $nic ] || continue
- if [ -n "${dev_port}" -a -e ${nic}/dev_port ]; then
- if [ `cat ${nic}/dev_port` -ne ${dev_port} ]; then
+ for nic in "${disk}"/pci_dev/net/*; do
+ [ -d "$nic" ] || continue
+ if [ -n "${dev_port}" -a -e "${nic}/dev_port" ]; then
+ if [ "$(cat ${nic}/dev_port)" -ne "${dev_port}" ]; then
continue
fi
fi
if [ -e ${nic}/address ]; then
fcoe_interface=${nic##*/}
if ! [ -e "/tmp/.fcoe-$fcoe_interface" ]; then
- /sbin/fcoe-up $fcoe_interface $dcb
+ /sbin/fcoe-up "$fcoe_interface" "$dcb"
> "/tmp/.fcoe-$fcoe_interface"
fi
fi
done
done
-modprobe -r edd
+
+[ "$_modprobe_r_edd" = "1" ] && modprobe -r edd
+
+unset _modprobe_r_edd