[PATCH] 2.4.1-ac16: add CDROM_LOCKDOOR ioctl to IDE floppies

[Francis Galiegue]

Patch below. It Work For Me(tm) with an IDE ZIP drive.

--- drivers/ide/ide-floppy.c.old        Mon Feb 19 13:39:55 2001
+++ drivers/ide/ide-floppy.c    Mon Feb 19 13:48:53 2001
@@ -1517,15 +1517,21 @@
                                 unsigned int cmd, unsigned long arg)
 {
        idefloppy_pc_t pc;
+       int prevent = (arg) ? 1 : 0;

        switch (cmd) {
        case CDROMEJECT:
+               prevent = 0;
+               /* fall through */
+       case CDROM_LOCKDOOR:
                if (drive->usage > 1)
                        return -EBUSY;
-               idefloppy_create_prevent_cmd (&pc, 0);
-               (void) idefloppy_queue_pc_tail (drive, &pc);
-               idefloppy_create_start_stop_cmd (&pc, 2);
+               idefloppy_create_prevent_cmd (&pc, prevent);
                (void) idefloppy_queue_pc_tail (drive, &pc);
+               if (cmd == CDROMEJECT) {
+                       idefloppy_create_start_stop_cmd (&pc, 2);
+                       (void) idefloppy_queue_pc_tail (drive, &pc);
+               }
                return 0;
        case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED:
                return (0);

-- 
Francis Galiegue, [e-mail] - Normand et fier de l'être
"Programming is a race between programmers, who try and make more and more
idiot-proof software, and universe, which produces more and more remarkable
idiots. Until now, universe leads the race"  -- R. Cook