diff options
Diffstat (limited to 'drivers/block/paride/pd.c')
| -rw-r--r-- | drivers/block/paride/pd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c index c4d6ed9846ca..985f0d4f1d1e 100644 --- a/drivers/block/paride/pd.c +++ b/drivers/block/paride/pd.c @@ -736,12 +736,14 @@ static int pd_open(struct block_device *bdev, fmode_t mode) { struct pd_unit *disk = bdev->bd_disk->private_data; + lock_kernel(); disk->access++; if (disk->removable) { pd_special_command(disk, pd_media_check); pd_special_command(disk, pd_door_lock); } + unlock_kernel(); return 0; } @@ -783,8 +785,10 @@ static int pd_release(struct gendisk *p, fmode_t mode) { struct pd_unit *disk = p->private_data; + lock_kernel(); if (!--disk->access && disk->removable) pd_special_command(disk, pd_door_unlock); + unlock_kernel(); return 0; } |