[PATCH] tty_driver add .owner field remove MOD_INC_DEC_USE_COUNT

From:  Hanna Linder <hannal@us.ibm.com>

  Here are the changes for s390 to set .owner for tty_drivers
  and remove MOD_INC/DEC_USE_COUNT. Martin has already approved
  this.

drivers/s390/char/con3215.c

@@ -1178,6 +1178,7 @@ tty3215_init(void)
 
 	memset(&tty3215_driver, 0, sizeof(struct tty_driver));
 	tty3215_driver.magic = TTY_DRIVER_MAGIC;
+	tty3215_driver.owner = THIS_MODULE;
 	tty3215_driver.driver_name = "tty3215";
 	tty3215_driver.name = "ttyS";
 	tty3215_driver.name_base = 0;

drivers/s390/char/sclp_tty.c

@@ -743,6 +743,7 @@ sclp_tty_init(void)
 
 	memset (&sclp_tty_driver, 0, sizeof(struct tty_driver));
 	sclp_tty_driver.magic = TTY_DRIVER_MAGIC;
+	sclp_tty_driver.owner = THIS_MODULE;
 	sclp_tty_driver.driver_name = "tty_sclp";
 	sclp_tty_driver.name = "ttyS";
 	sclp_tty_driver.name_base = 0;

drivers/s390/char/tuball.c

@@ -218,18 +218,6 @@ cleanup_module(void)
 }
 #endif /* Not a MODULE or a MODULE */
 
-void
-tub_inc_use_count(void)
-{
-	MOD_INC_USE_COUNT;
-}
-
-void
-tub_dec_use_count(void)
-{
-	MOD_DEC_USE_COUNT;
-}
-
 static int
 tub3270_is_ours(s390_dev_info_t *dp)
 {

drivers/s390/char/tubfs.c

@@ -118,7 +118,6 @@ fs3270_open(struct inode *ip, struct file *fp)
 		return -EBUSY;
 	}
 
-	tub_inc_use_count();
 	fp->private_data = ip;
 	tubp->mode = TBM_FS;
 	tubp->intv = fs3270_int;
@@ -144,7 +143,6 @@ fs3270_close(struct inode *ip, struct file *fp)
 	fs3270_wait(tubp, &flags);
 	tubp->fsopen = 0;
 	tubp->fs_pid = 0;
-	tub_dec_use_count();
 	tubp->intv = NULL;
 	tubp->mode = 0;
 	tty3270_refresh(tubp);
@@ -165,7 +163,6 @@ fs3270_release(tub_t *tubp)
 	fs3270_wait(tubp, &flags);
 	tubp->fsopen = 0;
 	tubp->fs_pid = 0;
-	tub_dec_use_count();
 	tubp->intv = NULL;
 	tubp->mode = 0;
 	/*tty3270_refresh(tubp);*/

drivers/s390/char/tubio.h

@@ -421,8 +421,6 @@ extern inline tub_t *TTY2TUB(struct tty_struct *tty)
 	return tubp;
 }
 
-extern void tub_inc_use_count(void);
-extern void tub_dec_use_count(void);
 extern int tub3270_movedata(bcb_t *, bcb_t *, int);
 #if 0
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0))

drivers/s390/char/tubtty.c

@@ -80,6 +80,7 @@ tty3270_init(void)
 
 	/* Initialize for tty driver */
 	td->magic = TTY_DRIVER_MAGIC;
+	td->owner = THIS_MODULE;
 	td->driver_name = "tty3270";
 	td->name = "tty3270";
 	td->major = IBM_TTY3270_MAJOR;
@@ -189,7 +190,6 @@ tty3270_open(struct tty_struct *tty, struct file *filp)
 		return -ENODEV;
 	}
 
-	tub_inc_use_count();
 	if ((rc = tty3270_wait(tubp, &flags)) != 0)
 		goto do_fail;
 	if (tubp->lnopen > 0) {
@@ -231,7 +231,6 @@ tty3270_open(struct tty_struct *tty, struct file *filp)
 	tty3270_aid_fini(tubp);
 	tty3270_rcl_fini(tubp);
 	TUBUNLOCK(tubp->irq, flags);
-	tub_dec_use_count();
 	return rc;
 }
 
@@ -253,7 +252,6 @@ tty3270_close(struct tty_struct *tty, struct file *filp)
 	tty3270_rcl_fini(tubp);
 	tty3270_scl_fini(tubp);
 do_return:
-	tub_dec_use_count();
 	TUBUNLOCK(tubp->irq, flags);
 }