/etc/init.d/scst: Wait up to 30s before giving up trying to unload a kernel module (merge r4608 from trunk)

git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/2.2.x@4689 d57e44dd-8a1f-0410-8b47-8ef2f437770f

scstadmin/init.d/scst

@@ -181,7 +181,12 @@ unload_scst() {
             # occurs, sleep for a short time.
             sleep 1
         fi
-        if [ -e /sys/module/$m/refcnt ] && ! rmmod $m; then
+        i=0
+        while [ -e /sys/module/$m/refcnt ] && ! rmmod $m && [ $i -lt 30 ]; do
+            sleep 1
+            i=$((i+1))
+        done
+        if [ -e /sys/module/$m/refcnt ]; then
             return 1
         fi
     done