do_mounts.c, block_dev.c, hiddev.c, md.c:

  Switched from devfs_find_handle() to devfs_get_handle()
Many files:
  Switched from devfs_find_handle() to devfs_find_and_unregister()
base.c:
  Created <devfs_find_and_unregister>.

15 files changed, 52 insertions, 67 deletions

diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 21139414d6c5..902108341ce5 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -336,7 +336,7 @@ void cleanup_module(void)
 
 		del_gendisk(&ida_gendisk[i]);
 	}
-	devfs_unregister(devfs_find_handle(NULL, "ida", 0, 0, 0, 0));
+	devfs_find_and_unregister(NULL, "ida", 0, 0, 0, 0);
 	remove_proc_entry("cpqarray", proc_root_driver);
 	kfree(ida);
 	kfree(ida_sizes);
diff --git a/drivers/cdrom/aztcd.c b/drivers/cdrom/aztcd.c
index 22ca16434100..5f8449ce1c6b 100644
--- a/drivers/cdrom/aztcd.c
+++ b/drivers/cdrom/aztcd.c
@@ -1957,8 +1957,7 @@ int __init aztcd_init(void)
 
 void __exit aztcd_exit(void)
 {
-	devfs_unregister(devfs_find_handle
-			 (NULL, "aztcd", 0, 0, DEVFS_SPECIAL_BLK, 0));
+	devfs_find_and_unregister(NULL, "aztcd", 0, 0, DEVFS_SPECIAL_BLK, 0);
 	if ((devfs_unregister_blkdev(MAJOR_NR, "aztcd") == -EINVAL)) {
 		printk("What's that: can't unregister aztcd\n");
 		return;
diff --git a/drivers/cdrom/gscd.c b/drivers/cdrom/gscd.c
index dcca0b08c176..90f510585cb4 100644
--- a/drivers/cdrom/gscd.c
+++ b/drivers/cdrom/gscd.c
@@ -933,8 +933,7 @@ void __exit exit_gscd(void)
 {
 	CLEAR_TIMER;
 
-	devfs_unregister(devfs_find_handle
-			 (NULL, "gscd", 0, 0, DEVFS_SPECIAL_BLK, 0));
+	devfs_find_and_unregister(NULL, "gscd", 0, 0, DEVFS_SPECIAL_BLK, 0);
 	if ((devfs_unregister_blkdev(MAJOR_NR, "gscd") == -EINVAL)) {
 		printk("What's that: can't unregister GoldStar-module\n");
 		return;
diff --git a/drivers/cdrom/optcd.c b/drivers/cdrom/optcd.c
index f04e6e276ea7..b8a6aa0e991a 100644
--- a/drivers/cdrom/optcd.c
+++ b/drivers/cdrom/optcd.c
@@ -2051,8 +2051,7 @@ int __init optcd_init(void)
 
 void __exit optcd_exit(void)
 {
-	devfs_unregister(devfs_find_handle(NULL, "optcd", 0, 0,
-					   DEVFS_SPECIAL_BLK, 0));
+	devfs_find_and_unregister(NULL, "optcd", 0, 0, DEVFS_SPECIAL_BLK, 0);
 	if (devfs_unregister_blkdev(MAJOR_NR, "optcd") == -EINVAL) {
 		printk(KERN_ERR "optcd: what's that: can't unregister\n");
 		return;
diff --git a/drivers/cdrom/sjcd.c b/drivers/cdrom/sjcd.c
index 544af743969b..0619f9f58ceb 100644
--- a/drivers/cdrom/sjcd.c
+++ b/drivers/cdrom/sjcd.c
@@ -1802,8 +1802,7 @@ static int sjcd_cleanup(void)
 
 void __exit sjcd_exit(void)
 {
-	devfs_unregister(devfs_find_handle
-			 (NULL, "sjcd", 0, 0, DEVFS_SPECIAL_BLK, 0));
+	devfs_find_and_unregister(NULL, "sjcd", 0, 0, DEVFS_SPECIAL_BLK, 0);
 	if (sjcd_cleanup())
 		printk("SJCD: module: cannot be removed.\n");
 	else
diff --git a/drivers/cdrom/sonycd535.c b/drivers/cdrom/sonycd535.c
index de22c78ab862..46865fc9a162 100644
--- a/drivers/cdrom/sonycd535.c
+++ b/drivers/cdrom/sonycd535.c
@@ -1700,8 +1700,8 @@ sony535_exit(void)
 	kfree(sony_buffer);
 	kfree(last_sony_subcode);
 	kfree(sony_toc);
-	devfs_unregister(devfs_find_handle(NULL, CDU535_HANDLE, 0, 0,
-					   DEVFS_SPECIAL_BLK, 0));
+	devfs_find_and_unregister(NULL, CDU535_HANDLE, 0, 0,
+				  DEVFS_SPECIAL_BLK, 0);
 	if (devfs_unregister_blkdev(MAJOR_NR, CDU535_HANDLE) == -EINVAL)
 		printk("Uh oh, couldn't unregister " CDU535_HANDLE "\n");
 	else
diff --git a/drivers/char/ftape/zftape/zftape-init.c b/drivers/char/ftape/zftape/zftape-init.c
index bd5edce2243c..4e2621270d0e 100644
--- a/drivers/char/ftape/zftape/zftape-init.c
+++ b/drivers/char/ftape/zftape/zftape-init.c
@@ -426,17 +426,17 @@ void cleanup_module(void)
 	}
         for (i = 0; i < 4; i++) {
 		sprintf(devname, "qft%i", i);
-		devfs_unregister(devfs_find_handle(NULL, devname, QIC117_TAPE_MAJOR, i, DEVFS_SPECIAL_CHR, 0));
+		devfs_find_and_unregister(NULL, devname, QIC117_TAPE_MAJOR, i, DEVFS_SPECIAL_CHR, 0);
 		sprintf(devname, "nqft%i", i);
-		devfs_unregister(devfs_find_handle(NULL, devname, QIC117_TAPE_MAJOR, i + 4, DEVFS_SPECIAL_CHR, 0));
+		devfs_find_and_unregister(NULL, devname, QIC117_TAPE_MAJOR, i + 4, DEVFS_SPECIAL_CHR, 0);
 		sprintf(devname, "zqft%i", i);
-		devfs_unregister(devfs_find_handle(NULL, devname, QIC117_TAPE_MAJOR, i + 16, DEVFS_SPECIAL_CHR, 0));
+		devfs_find_and_unregister(NULL, devname, QIC117_TAPE_MAJOR, i + 16, DEVFS_SPECIAL_CHR, 0);
 		sprintf(devname, "nzqft%i", i);
-		devfs_unregister(devfs_find_handle(NULL, devname, QIC117_TAPE_MAJOR, i + 20, DEVFS_SPECIAL_CHR, 0));
+		devfs_find_and_unregister(NULL, devname, QIC117_TAPE_MAJOR, i + 20, DEVFS_SPECIAL_CHR, 0);
 		sprintf(devname, "rawqft%i", i);
-		devfs_unregister(devfs_find_handle(NULL, devname, QIC117_TAPE_MAJOR, i + 32, DEVFS_SPECIAL_CHR, 0));
+		devfs_find_and_unregister(NULL, devname, QIC117_TAPE_MAJOR, i + 32, DEVFS_SPECIAL_CHR, 0);
 		sprintf(devname, "nrawqft%i", i);
-		devfs_unregister(devfs_find_handle(NULL, devname, QIC117_TAPE_MAJOR, i + 36, DEVFS_SPECIAL_CHR, 0));
+		devfs_find_and_unregister(NULL, devname, QIC117_TAPE_MAJOR, i + 36, DEVFS_SPECIAL_CHR, 0);
 	}
 	zft_uninit_mem(); /* release remaining memory, if any */
         printk(KERN_INFO "zftape successfully unloaded.\n");
diff --git a/drivers/char/tpqic02.c b/drivers/char/tpqic02.c
index bdcc9a57716f..cf2d9e76e3d1 100644
--- a/drivers/char/tpqic02.c
+++ b/drivers/char/tpqic02.c
@@ -2931,30 +2931,22 @@ void cleanup_module(void)
 		qic02_release_resources();
 	}
 	devfs_unregister_chrdev(QIC02_TAPE_MAJOR, TPQIC02_NAME);
-	devfs_unregister(devfs_find_handle
-			 (NULL, "ntpqic11", QIC02_TAPE_MAJOR, 2,
-			  DEVFS_SPECIAL_CHR, 0));
-	devfs_unregister(devfs_find_handle
-			 (NULL, "tpqic11", QIC02_TAPE_MAJOR, 3,
-			  DEVFS_SPECIAL_CHR, 0));
-	devfs_unregister(devfs_find_handle
-			 (NULL, "ntpqic24", QIC02_TAPE_MAJOR, 4,
-			  DEVFS_SPECIAL_CHR, 0));
-	devfs_unregister(devfs_find_handle
-			 (NULL, "tpqic24", QIC02_TAPE_MAJOR, 5,
-			  DEVFS_SPECIAL_CHR, 0));
-	devfs_unregister(devfs_find_handle
-			 (NULL, "ntpqic120", QIC02_TAPE_MAJOR, 6,
-			  DEVFS_SPECIAL_CHR, 0));
-	devfs_unregister(devfs_find_handle
-			 (NULL, "tpqic120", QIC02_TAPE_MAJOR, 7,
-			  DEVFS_SPECIAL_CHR, 0));
-	devfs_unregister(devfs_find_handle
-			 (NULL, "ntpqic150", QIC02_TAPE_MAJOR, 8,
-			  DEVFS_SPECIAL_CHR, 0));
-	devfs_unregister(devfs_find_handle
-			 (NULL, "tpqic150", QIC02_TAPE_MAJOR, 9,
-			  DEVFS_SPECIAL_CHR, 0));
+	devfs_find_and_unregister(NULL, "ntpqic11", QIC02_TAPE_MAJOR, 2,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(NULL, "tpqic11", QIC02_TAPE_MAJOR, 3,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(NULL, "ntpqic24", QIC02_TAPE_MAJOR, 4,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(NULL, "tpqic24", QIC02_TAPE_MAJOR, 5,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(NULL, "ntpqic120", QIC02_TAPE_MAJOR, 6,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(NULL, "tpqic120", QIC02_TAPE_MAJOR, 7,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(NULL, "ntpqic150", QIC02_TAPE_MAJOR, 8,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(NULL, "tpqic150", QIC02_TAPE_MAJOR, 9,
+				  DEVFS_SPECIAL_CHR, 0);
 }
 
 int init_module(void)
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 269abc090514..988409541f51 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2042,14 +2042,12 @@ void tty_register_devfs (struct tty_driver *driver, unsigned int flags, unsigned
 void tty_unregister_devfs (struct tty_driver *driver, unsigned minor)
 {
 #ifdef CONFIG_DEVFS_FS
-	void * handle;
 	int idx = minor - driver->minor_start;
 	char buf[32];
 
 	sprintf(buf, driver->name, idx + driver->name_base);
-	handle = devfs_find_handle (NULL, buf, driver->major, minor,
-				    DEVFS_SPECIAL_CHR, 0);
-	devfs_unregister (handle);
+	devfs_find_and_unregister(NULL, buf, driver->major, minor,
+				  DEVFS_SPECIAL_CHR, 0);
 #endif /* CONFIG_DEVFS_FS */
 }
 
diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c
index ce001b8437cd..ecc1d318bf80 100644
--- a/drivers/char/vc_screen.c
+++ b/drivers/char/vc_screen.c
@@ -480,10 +480,10 @@ void vcs_make_devfs (unsigned int index, int unregister)
     sprintf (name, "a%u", index + 1);
     if (unregister)
     {
-	devfs_unregister ( devfs_find_handle (devfs_handle, name + 1, 0, 0,
-					      DEVFS_SPECIAL_CHR, 0) );
-	devfs_unregister ( devfs_find_handle (devfs_handle, name, 0, 0,
-					      DEVFS_SPECIAL_CHR, 0) );
+	devfs_find_and_unregister(devfs_handle, name + 1, 0, 0,
+				  DEVFS_SPECIAL_CHR, 0);
+	devfs_find_and_unregister(devfs_handle, name, 0, 0,
+				  DEVFS_SPECIAL_CHR, 0);
     }
     else
     {
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index a8dcc02ca771..2b223a22c5b7 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1527,7 +1527,7 @@ static void __exit capi_exit(void)
 	proc_exit();
 
 	devfs_unregister_chrdev(capi_major, "capi20");
-	devfs_unregister(devfs_find_handle(NULL, "isdn/capi20", capi_major, 0, DEVFS_SPECIAL_CHR, 0));
+	devfs_find_and_unregister(NULL, "isdn/capi20", capi_major, 0, DEVFS_SPECIAL_CHR, 0);
 
 #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
 	capinc_tty_exit();
diff --git a/drivers/md/md.c b/drivers/md/md.c
index cfe3bef819e3..b84ff3330b32 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3412,12 +3412,13 @@ void __init md_setup_drive(void)
 				*p++ = 0;
 
 			dev = name_to_kdev_t(devname);
-			handle = devfs_find_handle(NULL, devname, major(dev), minor(dev),
-							DEVFS_SPECIAL_BLK, 1);
+			handle = devfs_get_handle(NULL, devname, major(dev), minor(dev),
+						  DEVFS_SPECIAL_BLK, 1);
 			if (handle != 0) {
 				unsigned major, minor;
 				devfs_get_maj_min(handle, &major, &minor);
 				dev = mk_kdev(major, minor);
+				devfs_put(handle);
 			}
 			if (kdev_none(dev)) {
 				printk(KERN_WARNING "md: Unknown device name: %s\n", devname);
diff --git a/drivers/s390/char/tubfs.c b/drivers/s390/char/tubfs.c
index e4a220517f89..c50e34830676 100644
--- a/drivers/s390/char/tubfs.c
+++ b/drivers/s390/char/tubfs.c
@@ -54,18 +54,15 @@ void fs3270_devfs_register(tub_t *tubp)
 void fs3270_devfs_unregister(tub_t *tubp)
 {
 	char name[16];
-	devfs_handle_t handle;
 
 	sprintf(name, "tub%.4x", tubp->devno);
-	handle = devfs_find_handle (fs3270_devfs_dir, name,
-				    IBM_FS3270_MAJOR, tubp->minor,
-				    DEVFS_SPECIAL_CHR, 0);
-	devfs_unregister (handle);
+	devfs_find_and_unregister(fs3270_devfs_dir, name,
+				  IBM_FS3270_MAJOR, tubp->minor,
+				  DEVFS_SPECIAL_CHR, 0);
 	sprintf(name, "tty%.4x", tubp->devno);
-	handle = devfs_find_handle (fs3270_devfs_dir, name,
-				    IBM_TTY3270_MAJOR, tubp->minor,
-				    DEVFS_SPECIAL_CHR, 0);
-	devfs_unregister(handle);
+	devfs_find_and_unregister(fs3270_devfs_dir, name,
+				  IBM_TTY3270_MAJOR, tubp->minor,
+				  DEVFS_SPECIAL_CHR, 0);
 }
 #endif
 
diff --git a/drivers/sbus/audio/audio.c b/drivers/sbus/audio/audio.c
index 1ee7f179d2e0..b83fa77ee48e 100644
--- a/drivers/sbus/audio/audio.c
+++ b/drivers/sbus/audio/audio.c
@@ -2077,7 +2077,6 @@ kmalloc_failed1:
 
 int unregister_sparcaudio_driver(struct sparcaudio_driver *drv, int duplex)
 {
-	devfs_handle_t de;
 	int i;
 	char name_buf[32];
 
@@ -2104,9 +2103,8 @@ int unregister_sparcaudio_driver(struct sparcaudio_driver *drv, int duplex)
 	/* Unregister ourselves with devfs */
 	for (i=0; i < sizeof (dev_list) / sizeof (*dev_list); i++) {
 		sparcaudio_mkname (name_buf, dev_list[i].name, drv->index);
-		de = devfs_find_handle (devfs_handle, name_buf, 0, 0,
-					DEVFS_SPECIAL_CHR, 0);
-		devfs_unregister (de);
+		devfs_find_and_unregister(devfs_handle, name_buf, 0, 0,
+                                          DEVFS_SPECIAL_CHR, 0);
 	}
 
 	MOD_DEC_USE_COUNT;
diff --git a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c
index 93dcc5184758..c750b27252ec 100644
--- a/drivers/usb/input/hiddev.c
+++ b/drivers/usb/input/hiddev.c
@@ -765,8 +765,11 @@ static /* const */ struct usb_driver hiddev_driver = {
 
 int __init hiddev_init(void)
 {
-	hiddev_devfs_handle =
-		devfs_mk_dir(devfs_find_handle(NULL, "usb", 0, 0, 0, 0), "hid", NULL);
+	devfs_handle_t de;
+
+	de = devfs_get_handle(NULL, "usb", 0, 0, 0, 0);
+	hiddev_devfs_handle = devfs_mk_dir(de, "hid", NULL);
+	devfs_put(de);
 	usb_register(&hiddev_driver);
 	return 0;
 }