diff options
Diffstat (limited to 'drivers/block/floppy.c')
| -rw-r--r-- | drivers/block/floppy.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 9955a53733b..9baf11e8636 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -188,7 +188,6 @@ static int print_unex = 1; #include <linux/init.h> #include <linux/platform_device.h> #include <linux/mod_devicetable.h> -#include <linux/buffer_head.h> /* for invalidate_buffers() */ #include <linux/mutex.h> #include <linux/io.h> #include <linux/uaccess.h> @@ -4369,8 +4368,14 @@ out_unreg_blkdev: out_put_disk: while (dr--) { del_timer_sync(&motor_off_timer[dr]); - if (disks[dr]->queue) + if (disks[dr]->queue) { blk_cleanup_queue(disks[dr]->queue); + /* + * put_disk() is not paired with add_disk() and + * will put queue reference one extra time. fix it. + */ + disks[dr]->queue = NULL; + } put_disk(disks[dr]); } return err; @@ -4580,6 +4585,15 @@ static void __exit floppy_module_exit(void) platform_device_unregister(&floppy_device[drive]); } blk_cleanup_queue(disks[drive]->queue); + + /* + * These disks have not called add_disk(). Don't put down + * queue reference in put_disk(). + */ + if (!(allowed_drive_mask & (1 << drive)) || + fdc_state[FDC(drive)].version == FDC_NONE) + disks[drive]->queue = NULL; + put_disk(disks[drive]); } |