/dev/bus/0 might not exist but can be queried

zabbix_scripts/check_stor_dev_sudo

@@ -18,7 +18,7 @@ GetOptions(
   'pretty'   => \$pretty
 );
 
-if (not defined $dev or $dev !~ m|^/dev/\w+(/\w+)?$| or not -e $dev){
+if (not defined $dev or $dev !~ m|^/dev/\w+(/\w+)*$|){
   print "Invalid --device\n";
   exit 1;
 } elsif ($what !~ m/^\w+$/){