3 files changed, 17 insertions, 30 deletions

diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 24b97b0bef99..d070d492e385 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -571,8 +571,8 @@ out_free:
                 list_del(&brd->brd_list);
                 brd_free(brd);
         }
+        unregister_blkdev(RAMDISK_MAJOR, "ramdisk");
 
-        unregister_blkdev(RAMDISK_MAJOR, "brd");
         return -ENOMEM;
 }
 
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index ad98dda6037d..1778e4a2c672 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -707,15 +707,15 @@ static int __init nbd_init(void)
 
         BUILD_BUG_ON(sizeof(struct nbd_request) != 28);
 
-        nbd_dev = kcalloc(nbds_max, sizeof(*nbd_dev), GFP_KERNEL);
-        if (!nbd_dev)
-                return -ENOMEM;
-
         if (max_part < 0) {
                 printk(KERN_CRIT "nbd: max_part must be >= 0\n");
                 return -EINVAL;
         }
 
+        nbd_dev = kcalloc(nbds_max, sizeof(*nbd_dev), GFP_KERNEL);
+        if (!nbd_dev)
+                return -ENOMEM;
+
         part_shift = 0;
         if (max_part > 0)
                 part_shift = fls(max_part);
@@ -779,6 +779,7 @@ out:
                 blk_cleanup_queue(nbd_dev[i].disk->queue);
                 put_disk(nbd_dev[i].disk);
         }
+        kfree(nbd_dev);
         return err;
 }
 
@@ -795,6 +796,7 @@ static void __exit nbd_cleanup(void)
                 }
         }
         unregister_blkdev(NBD_MAJOR, "nbd");
+        kfree(nbd_dev);
         printk(KERN_INFO "nbd: unregistered device at major %d\n", NBD_MAJOR);
 }
 
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 158eed4d5161..29b7a648cc6e 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -49,7 +49,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/kthread.h>
-#include <linux/smp_lock.h>
 #include <linux/errno.h>
 #include <linux/spinlock.h>
 #include <linux/file.h>
@@ -2798,14 +2797,9 @@ out_mem:
         return ret;
 }
 
-static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
 {
-        struct inode *inode = file->f_path.dentry->d_inode;
-        struct pktcdvd_device *pd;
-        long ret;
-
-        lock_kernel();
-        pd = inode->i_bdev->bd_disk->private_data;
+        struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data;
 
         VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, imajor(inode), iminor(inode));
 
@@ -2818,8 +2812,7 @@ static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         case CDROM_LAST_WRITTEN:
         case CDROM_SEND_PACKET:
         case SCSI_IOCTL_SEND_COMMAND:
-                ret = blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
-                break;
+                return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
 
         case CDROMEJECT:
                 /*
@@ -2828,15 +2821,14 @@ static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                  */
                 if (pd->refcnt == 1)
                         pkt_lock_door(pd, 0);
-                ret = blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
-                break;
+                return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
 
         default:
                 VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
-                ret = -ENOTTY;
+                return -ENOTTY;
         }
-        unlock_kernel();
-        return ret;
+
+        return 0;
 }
 
 static int pkt_media_changed(struct gendisk *disk)
@@ -2858,7 +2850,7 @@ static struct block_device_operations pktcdvd_ops = {
         .owner =                THIS_MODULE,
         .open =                 pkt_open,
         .release =              pkt_close,
-        .unlocked_ioctl =       pkt_ioctl,
+        .ioctl =                pkt_ioctl,
         .media_changed =        pkt_media_changed,
 };
 
@@ -3023,8 +3015,7 @@ static void pkt_get_status(struct pkt_ctrl_command *ctrl_cmd)
         mutex_unlock(&ctl_mutex);
 }
 
-static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
-                                                unsigned long arg)
+static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
 {
         void __user *argp = (void __user *)arg;
         struct pkt_ctrl_command ctrl_cmd;
@@ -3041,22 +3032,16 @@ static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
         case PKT_CTRL_CMD_SETUP:
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
-                lock_kernel();
                 ret = pkt_setup_dev(new_decode_dev(ctrl_cmd.dev), &pkt_dev);
                 ctrl_cmd.pkt_dev = new_encode_dev(pkt_dev);
-                unlock_kernel();
                 break;
         case PKT_CTRL_CMD_TEARDOWN:
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
-                lock_kernel();
                 ret = pkt_remove_dev(new_decode_dev(ctrl_cmd.pkt_dev));
-                unlock_kernel();
                 break;
         case PKT_CTRL_CMD_STATUS:
-                lock_kernel();
                 pkt_get_status(&ctrl_cmd);
-                unlock_kernel();
                 break;
         default:
                 return -ENOTTY;
@@ -3069,7 +3054,7 @@ static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
 
 
 static const struct file_operations pkt_ctl_fops = {
-        .unlocked_ioctl  = pkt_ctl_ioctl,
+        .ioctl   = pkt_ctl_ioctl,
         .owner   = THIS_MODULE,
 };