Restrict find action to the /tmp mount

include/tests_filesystems

@@ -298,7 +298,7 @@
     if [ ${SKIPTEST} -eq 0 ]; then
         LogText "Test: Searching for old files in /tmp"
         # Search for files only in /tmp, with an access time older than X days
-        FIND=`find /tmp -type f -atime +${TMP_OLD_DAYS} 2> /dev/null | sed 's/ /!space!/g'`
+        FIND=`find /tmp -xdev -type f -atime +${TMP_OLD_DAYS} | sed 's/ /!space!/g'`
         if [ "${FIND}" = "" ]; then
             Display --indent 2 --text "- Checking for old files in /tmp" --result OK --color GREEN
             LogText "Result: no files found in /tmp which are older than 3 months"