diff options
Diffstat (limited to 'drivers/block/pktcdvd.c')
| -rw-r--r-- | drivers/block/pktcdvd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 40f1e31f42c..b1cbeb59bb7 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2383,6 +2383,7 @@ static int pkt_open(struct block_device *bdev, fmode_t mode) VPRINTK(DRIVER_NAME": entering open\n"); + lock_kernel(); mutex_lock(&ctl_mutex); pd = pkt_find_dev_from_minor(MINOR(bdev->bd_dev)); if (!pd) { @@ -2410,6 +2411,7 @@ static int pkt_open(struct block_device *bdev, fmode_t mode) } mutex_unlock(&ctl_mutex); + unlock_kernel(); return 0; out_dec: @@ -2417,6 +2419,7 @@ out_dec: out: VPRINTK(DRIVER_NAME": failed open (%d)\n", ret); mutex_unlock(&ctl_mutex); + unlock_kernel(); return ret; } @@ -2425,6 +2428,7 @@ static int pkt_close(struct gendisk *disk, fmode_t mode) struct pktcdvd_device *pd = disk->private_data; int ret = 0; + lock_kernel(); mutex_lock(&ctl_mutex); pd->refcnt--; BUG_ON(pd->refcnt < 0); @@ -2433,6 +2437,7 @@ static int pkt_close(struct gendisk *disk, fmode_t mode) pkt_release_dev(pd, flush); } mutex_unlock(&ctl_mutex); + unlock_kernel(); return ret; } |