diff options
Diffstat (limited to 'drivers/block/swim3.c')
| -rw-r--r-- | drivers/block/swim3.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index f3657b2a538..cc6a3864822 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -949,15 +949,28 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) return 0; } +static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = floppy_open(bdev, mode); + unlock_kernel(); + + return ret; +} + static int floppy_release(struct gendisk *disk, fmode_t mode) { struct floppy_state *fs = disk->private_data; struct swim3 __iomem *sw = fs->swim3; + lock_kernel(); if (fs->ref_count > 0 && --fs->ref_count == 0) { swim3_action(fs, MOTOR_OFF); out_8(&sw->control_bic, 0xff); swim3_select(fs, RELAX); } + unlock_kernel(); return 0; } @@ -1008,7 +1021,7 @@ static int floppy_revalidate(struct gendisk *disk) } static const struct block_device_operations floppy_fops = { - .open = floppy_open, + .open = floppy_unlocked_open, .release = floppy_release, .ioctl = floppy_ioctl, .media_changed = floppy_check_change, |