3 files changed, 12 insertions, 10 deletions

diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile
index d283e7b022a0..1d9b6ae967b0 100644
--- a/arch/um/drivers/Makefile
+++ b/arch/um/drivers/Makefile
@@ -62,5 +62,6 @@ obj-$(CONFIG_UML_RANDOM) += random.o
 
 # pcap_user.o must be added explicitly.
 USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o pcap_user.o vde_user.o
+CFLAGS_null.o = -DDEV_NULL=$(DEV_NULL_PATH)
 
 include arch/um/scripts/Makefile.rules
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index d741f35d7b3a..14a102e877d6 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -275,6 +275,8 @@ int line_ioctl(struct tty_struct *tty, struct file * file,
         case TIOCGLTC:
         case TIOCSLTC:
 #endif
+        /* Note: these are out of date as we now have TCGETS2 etc but this
+           whole lot should probably go away */
         case TCGETS:
         case TCSETSF:
         case TCSETSW:
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index b58fb8941d8d..0a868118cf06 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -98,9 +98,9 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data)
 
 static DEFINE_MUTEX(ubd_lock);
 
-static int ubd_open(struct inode * inode, struct file * filp);
-static int ubd_release(struct inode * inode, struct file * file);
-static int ubd_ioctl(struct inode * inode, struct file * file,
+static int ubd_open(struct block_device *bdev, fmode_t mode);
+static int ubd_release(struct gendisk *disk, fmode_t mode);
+static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
                      unsigned int cmd, unsigned long arg);
 static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
@@ -1112,9 +1112,9 @@ static int __init ubd_driver_init(void){
 
 device_initcall(ubd_driver_init);
 
-static int ubd_open(struct inode *inode, struct file *filp)
+static int ubd_open(struct block_device *bdev, fmode_t mode)
 {
-        struct gendisk *disk = inode->i_bdev->bd_disk;
+        struct gendisk *disk = bdev->bd_disk;
         struct ubd *ubd_dev = disk->private_data;
         int err = 0;
 
@@ -1131,7 +1131,7 @@ static int ubd_open(struct inode *inode, struct file *filp)
 
         /* This should no more be needed. And it didn't work anyway to exclude
          * read-write remounting of filesystems.*/
-        /*if((filp->f_mode & FMODE_WRITE) && !ubd_dev->openflags.w){
+        /*if((mode & FMODE_WRITE) && !ubd_dev->openflags.w){
                 if(--ubd_dev->count == 0) ubd_close_dev(ubd_dev);
                 err = -EROFS;
         }*/
@@ -1139,9 +1139,8 @@ static int ubd_open(struct inode *inode, struct file *filp)
         return err;
 }
 
-static int ubd_release(struct inode * inode, struct file * file)
+static int ubd_release(struct gendisk *disk, fmode_t mode)
 {
-        struct gendisk *disk = inode->i_bdev->bd_disk;
         struct ubd *ubd_dev = disk->private_data;
 
         if(--ubd_dev->count == 0)
@@ -1306,10 +1305,10 @@ static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
         return 0;
 }
 
-static int ubd_ioctl(struct inode * inode, struct file * file,
+static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
                      unsigned int cmd, unsigned long arg)
 {
-        struct ubd *ubd_dev = inode->i_bdev->bd_disk->private_data;
+        struct ubd *ubd_dev = bdev->bd_disk->private_data;
         struct hd_driveid ubd_id = {
                 .cyls           = 0,
                 .heads          = 128,