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path: root/drivers/block/floppy.c
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Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r--drivers/block/floppy.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index a7d6347aaa79..5f2595af8511 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4138,6 +4138,10 @@ static int __init do_floppy_init(void)
raw_cmd = NULL;
+ floppy_wq = alloc_ordered_workqueue("floppy", 0);
+ if (!floppy_wq)
+ return -ENOMEM;
+
for (dr = 0; dr < N_DRIVE; dr++) {
disks[dr] = alloc_disk(1);
if (!disks[dr]) {
@@ -4145,16 +4149,11 @@ static int __init do_floppy_init(void)
goto out_put_disk;
}
- floppy_wq = alloc_ordered_workqueue("floppy", 0);
- if (!floppy_wq) {
- err = -ENOMEM;
- goto out_put_disk;
- }
-
disks[dr]->queue = blk_init_queue(do_fd_request, &floppy_lock);
if (!disks[dr]->queue) {
+ put_disk(disks[dr]);
err = -ENOMEM;
- goto out_destroy_workq;
+ goto out_put_disk;
}
blk_queue_max_hw_sectors(disks[dr]->queue, 64);
@@ -4294,7 +4293,7 @@ static int __init do_floppy_init(void)
err = platform_device_register(&floppy_device[drive]);
if (err)
- goto out_release_dma;
+ goto out_remove_drives;
err = device_create_file(&floppy_device[drive].dev,
&dev_attr_cmos);
@@ -4312,17 +4311,25 @@ static int __init do_floppy_init(void)
out_unreg_platform_dev:
platform_device_unregister(&floppy_device[drive]);
+out_remove_drives:
+ while (drive--) {
+ if ((allowed_drive_mask & (1 << drive)) &&
+ fdc_state[FDC(drive)].version != FDC_NONE) {
+ del_gendisk(disks[drive]);
+ device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
+ platform_device_unregister(&floppy_device[drive]);
+ }
+ }
out_release_dma:
if (atomic_read(&usage_count))
floppy_release_irq_and_dma();
out_unreg_region:
blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256);
platform_driver_unregister(&floppy_driver);
-out_destroy_workq:
- destroy_workqueue(floppy_wq);
out_unreg_blkdev:
unregister_blkdev(FLOPPY_MAJOR, "fd");
out_put_disk:
+ destroy_workqueue(floppy_wq);
while (dr--) {
del_timer_sync(&motor_off_timer[dr]);
if (disks[dr]->queue) {
@@ -4549,6 +4556,8 @@ static void __exit floppy_module_exit(void)
unregister_blkdev(FLOPPY_MAJOR, "fd");
platform_driver_unregister(&floppy_driver);
+ destroy_workqueue(floppy_wq);
+
for (drive = 0; drive < N_DRIVE; drive++) {
del_timer_sync(&motor_off_timer[drive]);
@@ -4573,7 +4582,6 @@ static void __exit floppy_module_exit(void)
cancel_delayed_work_sync(&fd_timeout);
cancel_delayed_work_sync(&fd_timer);
- destroy_workqueue(floppy_wq);
if (atomic_read(&usage_count))
floppy_release_irq_and_dma();