diff options
| -rw-r--r-- | drivers/scsi/ch.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 7fdb636339e4..cb74ab1ae5a4 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -44,7 +44,6 @@ MODULE_LICENSE("GPL"); MODULE_ALIAS_CHARDEV_MAJOR(SCSI_CHANGER_MAJOR); MODULE_ALIAS_SCSI_DEVICE(TYPE_MEDIUM_CHANGER); -static DEFINE_MUTEX(ch_mutex); static int init = 1; module_param(init, int, 0444); MODULE_PARM_DESC(init, \ @@ -591,26 +590,22 @@ ch_open(struct inode *inode, struct file *file) scsi_changer *ch; int minor = iminor(inode); - mutex_lock(&ch_mutex); spin_lock(&ch_index_lock); ch = idr_find(&ch_index_idr, minor); if (ch == NULL || !kref_get_unless_zero(&ch->ref)) { spin_unlock(&ch_index_lock); - mutex_unlock(&ch_mutex); return -ENXIO; } spin_unlock(&ch_index_lock); if (scsi_device_get(ch->device)) { kref_put(&ch->ref, ch_destroy); - mutex_unlock(&ch_mutex); return -ENXIO; } /* Synchronize with ch_probe() */ mutex_lock(&ch->lock); file->private_data = ch; mutex_unlock(&ch->lock); - mutex_unlock(&ch_mutex); return 0; } |