ofed-mic add check for existing ibpd to start function

Add a check for an existing ibpd daemon before starting another.
This prevents multiple "service ofed-mic start" commands from
launching multiple copies of the ibpd daemon, spawning more
driver worker threads than intended.

diff --git a/ofed_scripts/ofed-mic b/ofed_scripts/ofed-mic
old mode 100644 (file)
new mode 100755 (executable)
index 5c9d2f1..4ad6b08
--- a/ofed_scripts/ofed-mic
+++ b/ofed_scripts/ofed-mic
@@ -178,14 +178,17 @@ start()
 
        if [ "$nohost" -eq 0 ]; then
                echo -n "host"
-               (/usr/sbin/ibpd &) &&
+               if [ ! "$(pidof /usr/sbin/ibpd)" ]; then
+                       (/usr/sbin/ibpd &)
+                       retval=$?
+               fi
                modprobe ib_uverbs &&
                modprobe ibp_server &&
                modprobe ibp_cm_server &&
                modprobe ibp_sa_server &&
                modprobe ibscif
 
-               retval=$?
+               retval+=$?
                [ $retval -eq 0 ] && eval $_success || eval $_failure
        fi