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

From: Francis Galiegue (fg@mandrakesoft.com)
Date: Mon Feb 19 2001 - 08:09:09 EST

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, fg@mandrakesoft.com - 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

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This archive was generated by hypermail 2b29 : Fri Feb 23 2001 - 21:00:19 EST