ide-floppy: move all ioctl handling to ide-floppy_ioctl.c (take 2)

While at it:
- idefloppy_ioctl() -> ide_floppy_ioctl()

v2:
Fix for idefloppy_ioctl name change from Stephen Rothwell.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 52 insertions, 2 deletions

diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 9723ed9c61b4..a3a7a0809e2b 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -223,8 +223,26 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
         return 0;
 }
 
-int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
-                            unsigned int cmd, void __user *argp)
+static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
+                               unsigned long arg, unsigned int cmd)
+{
+        idefloppy_floppy_t *floppy = drive->driver_data;
+        struct gendisk *disk = floppy->disk;
+        int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
+
+        if (floppy->openers > 1)
+                return -EBUSY;
+
+        ide_set_media_lock(drive, disk, prevent);
+
+        if (cmd == CDROMEJECT)
+                ide_do_start_stop(drive, disk, 2);
+
+        return 0;
+}
+
+static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
+                                   unsigned int cmd, void __user *argp)
 {
         switch (cmd) {
         case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED:
@@ -241,3 +259,35 @@ int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
                 return -ENOTTY;
         }
 }
+
+int ide_floppy_ioctl(struct inode *inode, struct file *file,
+                    unsigned int cmd, unsigned long arg)
+{
+        struct block_device *bdev = inode->i_bdev;
+        struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
+                                                     ide_floppy_obj);
+        ide_drive_t *drive = floppy->drive;
+        struct ide_atapi_pc pc;
+        void __user *argp = (void __user *)arg;
+        int err;
+
+        if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
+                return ide_floppy_lockdoor(drive, &pc, arg, cmd);
+
+        err = ide_floppy_format_ioctl(drive, file, cmd, argp);
+        if (err != -ENOTTY)
+                return err;
+
+        /*
+         * skip SCSI_IOCTL_SEND_COMMAND (deprecated)
+         * and CDROM_SEND_PACKET (legacy) ioctls
+         */
+        if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
+                err = scsi_cmd_ioctl(file, bdev->bd_disk->queue,
+                                        bdev->bd_disk, cmd, argp);
+
+        if (err == -ENOTTY)
+                err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
+
+        return err;
+}