From: Zwane Mwaikambo The floppy driver currently can leave pending timers after unloading itself. This bug has a corresponding bugzilla entry at; http://bugme.osdl.org/show_bug.cgi?id=1061 drivers/block/floppy.c | 23 ++++++++++++++++++++++- 1 files changed, 22 insertions(+), 1 deletion(-) diff -puN drivers/block/floppy.c~floppy-pending-timer-fix drivers/block/floppy.c --- 25/drivers/block/floppy.c~floppy-pending-timer-fix 2003-09-13 17:21:02.000000000 -0700 +++ 25-akpm/drivers/block/floppy.c 2003-09-13 17:21:02.000000000 -0700 @@ -219,6 +219,7 @@ static int use_virtual_dma; */ static spinlock_t floppy_lock = SPIN_LOCK_UNLOCKED; +static struct completion device_release; static unsigned short virtual_dma_port=0x3f0; irqreturn_t floppy_interrupt(int irq, void *dev_id, struct pt_regs * regs); @@ -4203,9 +4204,17 @@ static int __init floppy_setup(char *str static int have_no_fdc= -ENODEV; +static void floppy_device_release(struct device *dev) +{ + complete(&device_release); +} + static struct platform_device floppy_device = { .name = "floppy", .id = 0, + .dev = { + .release = floppy_device_release, + } }; static struct kobject *floppy_find(dev_t dev, int *part, void *data) @@ -4576,11 +4585,15 @@ int init_module(void) void cleanup_module(void) { int drive; - + + init_completion(&device_release); platform_device_unregister(&floppy_device); blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); unregister_blkdev(FLOPPY_MAJOR, "fd"); + for (drive = 0; drive < N_DRIVE; drive++) { + del_timer_sync(&motor_off_timer[drive]); + if ((allowed_drive_mask & (1 << drive)) && fdc_state[FDC(drive)].version != FDC_NONE) { del_gendisk(disks[drive]); @@ -4590,9 +4603,17 @@ void cleanup_module(void) } devfs_remove("floppy"); + del_timer_sync(&fd_timeout); + del_timer_sync(&fd_timer); blk_cleanup_queue(floppy_queue); + + if (usage_count) + floppy_release_irq_and_dma(); + /* eject disk, if any */ fd_eject(0); + + wait_for_completion(&device_release); } MODULE_PARM(floppy,"s"); _