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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org
Cc: mochel@digitalimplant.org
Subject: [PATCH] Use driver_for_each_device() instead of manually walking list.
Date: Mon, 20 Jun 2005 15:59:24 -0700	[thread overview]
Message-ID: <11193083644157@kroah.com> (raw)
In-Reply-To: <1119308364330@kroah.com>

[PATCH] Use driver_for_each_device() instead of manually walking list.

Signed-off-by: Patrick Mochel <mochel@digitalimplant.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Index: gregkh-2.6/drivers/usb/core/usb.c
===================================================================

---
commit 6034a080f98b0bbc0a058e2ac65a538f75cffeee
tree 3e3bb5b4afcce4aafd4cf287377c5298bd7211b2
parent 8d618afdd61ccaacbab4976a556c0ddcf36e2d8a
author mochel@digitalimplant.org <mochel@digitalimplant.org> Mon, 21 Mar 2005 11:09:40 -0800
committer Greg Kroah-Hartman <gregkh@suse.de> Mon, 20 Jun 2005 15:15:13 -0700

 drivers/usb/core/usb.c |   41 +++++++++++++++++++++++------------------
 1 files changed, 23 insertions(+), 18 deletions(-)

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -462,6 +462,25 @@ usb_match_id(struct usb_interface *inter
 	return NULL;
 }
 
+
+static int __find_interface(struct device * dev, void * data)
+{
+	struct usb_interface ** ret = (struct usb_interface **)data;
+	struct usb_interface * intf = *ret;
+	int *minor = (int *)data;
+
+	/* can't look at usb devices, only interfaces */
+	if (dev->driver == &usb_generic_driver)
+		return 0;
+
+	intf = to_usb_interface(dev);
+	if (intf->minor != -1 && intf->minor == *minor) {
+		*ret = intf;
+		return 1;
+	}
+	return 0;
+}
+
 /**
  * usb_find_interface - find usb_interface pointer for driver and device
  * @drv: the driver whose current configuration is considered
@@ -473,26 +492,12 @@ usb_match_id(struct usb_interface *inter
  */
 struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor)
 {
-	struct list_head *entry;
-	struct device *dev;
-	struct usb_interface *intf;
-
-	list_for_each(entry, &drv->driver.devices) {
-		dev = container_of(entry, struct device, driver_list);
+	struct usb_interface *intf = (struct usb_interface *)minor;
+	int ret;
 
-		/* can't look at usb devices, only interfaces */
-		if (dev->driver == &usb_generic_driver)
-			continue;
-
-		intf = to_usb_interface(dev);
-		if (intf->minor == -1)
-			continue;
-		if (intf->minor == minor)
-			return intf;
-	}
+	ret = driver_for_each_device(&drv->driver, NULL, &intf, __find_interface);
 
-	/* no device found that matches */
-	return NULL;	
+	return ret ? intf : NULL;
 }
 
 static int usb_device_match (struct device *dev, struct device_driver *drv)


  reply	other threads:[~2005-06-21  2:12 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-20 22:55 [GIT PATCH] Driver core changes for 2.6.12 Greg KH
2005-06-20 22:59 ` [PATCH] sysfs_{create|remove}_link should take const char * Greg KH
2005-06-20 22:59   ` [PATCH] kobject_hotplug() should use kobject_name() Greg KH
2005-06-20 22:59     ` [PATCH] Make kobject's name be const char * Greg KH
2005-06-20 22:59       ` [PATCH] kset_hotplug_ops->name shoudl return " Greg KH
2005-06-20 22:59         ` [PATCH] make driver's name be " Greg KH
2005-06-20 22:59           ` [PATCH] Make attributes names " Greg KH
2005-06-20 22:59             ` [PATCH] sysfs: (driver/base) if show/store is missing return -EIO Greg KH
2005-06-20 22:59               ` [PATCH] sysfs: " Greg KH
2005-06-20 22:59                 ` [PATCH] sysfs: (driver/pci) " Greg KH
2005-06-20 22:59                   ` [PATCH] sysfs: (driver/block) " Greg KH
2005-06-20 22:59                     ` [PATCH] sysfs: (rest) " Greg KH
2005-06-20 22:59                       ` [PATCH] INPUT: move to use the new class code, instead of class_simple Greg KH
2005-06-20 22:59                         ` [PATCH] tty: " Greg KH
2005-06-20 22:59                           ` [PATCH] CLASS: move a "simple" class logic into the class core Greg KH
2005-06-20 22:59                             ` [PATCH] class: convert sound/* to use the new class api instead of class_simple Greg KH
2005-06-20 22:59                               ` [PATCH] USB: move the usb hcd code to use the new class code Greg KH
2005-06-20 22:59                                 ` [PATCH] class: convert drivers/block/* to use the new class api instead of class_simple Greg KH
2005-06-20 22:59                                   ` [PATCH] class: convert drivers/ieee1394/* " Greg KH
2005-06-20 22:59                                     ` [PATCH] class: convert drivers/char/* " Greg KH
2005-06-20 22:59                                       ` [PATCH] class: convert drivers/scsi/* " Greg KH
2005-06-20 22:59                                         ` [PATCH] class: convert drivers/* " Greg KH
2005-06-20 22:59                                           ` [PATCH] USB: trivial error path fix Greg KH
2005-06-20 22:59                                             ` [PATCH] class: convert arch/* to use the new class api instead of class_simple Greg KH
2005-06-20 22:59                                               ` [PATCH] class: convert the remaining class_simple users in the kernel to usee the new class api Greg KH
2005-06-20 22:59                                                 ` [PATCH] class: add kerneldoc for the new class functions Greg KH
2005-06-20 22:59                                                   ` [PATCH] class: remove class_simple code, as no one in the tree is using it anymore Greg KH
2005-06-20 22:59                                                     ` [PATCH] fix "make mandocs" after class_simple.c removal Greg KH
2005-06-20 22:59                                                       ` [PATCH] Add a semaphore to struct device to synchronize calls to its driver Greg KH
2005-06-20 22:59                                                         ` [PATCH] fix up ipmi code after class_simple.c removal Greg KH
2005-06-20 22:59                                                           ` [PATCH] Move device/driver code to drivers/base/dd.c Greg KH
2005-06-20 22:59                                                             ` Greg KH [this message]
2005-06-20 22:59                                                               ` [PATCH] Use driver_for_each_device() in drivers/pnp/driver.c instead of manually walking list Greg KH
2005-06-20 22:59                                                                 ` [PATCH] Add driver_for_each_device() Greg KH
2005-06-20 22:59                                                                   ` [PATCH] Add a klist to struct bus_type for its drivers Greg KH
2005-06-20 22:59                                                                     ` [PATCH] Add a klist to struct bus_type for its devices Greg KH
2005-06-20 22:59                                                                       ` [PATCH] Add initial implementation of klist helpers Greg KH
2005-06-20 22:59                                                                         ` [PATCH] Add a klist to struct device_driver for the devices bound to it Greg KH
2005-06-20 22:59                                                                           ` [PATCH] Remove the unused device_find() Greg KH
2005-06-20 22:59                                                                             ` [PATCH] Use bus_for_each_{dev,drv} for driver binding Greg KH
2005-06-20 22:59                                                                               ` [PATCH] add klist_node_attached() to determine if a node is on a list or not Greg KH
2005-06-20 22:59                                                                                 ` [PATCH] Fix up USB to use klist_node_attached() instead of list_empty() on lists that will go away Greg KH
2005-06-20 22:59                                                                                   ` [PATCH] Remove struct device::driver_list Greg KH
2005-06-20 22:59                                                                                     ` [PATCH] Fix up bus code and remove use of rwsem Greg KH
2005-06-20 22:59                                                                                       ` [PATCH] Remove struct device::bus_list Greg KH
2005-06-20 22:59                                                                                         ` [PATCH] Don't reference NULL klist pointer in klist_remove() Greg KH
2005-06-20 22:59                                                                                           ` [PATCH] Call klist_del() instead of klist_remove() Greg KH
2005-06-20 22:59                                                                                             ` [PATCH] Use device_for_each_child() to unregister devices in scsi_remove_target() Greg KH
2005-06-20 22:59                                                                                               ` [PATCH] use device_for_each_child() to properly access child devices Greg KH
2005-06-20 22:59                                                                                                 ` [PATCH] Use a klist for device child lists Greg KH
2005-06-20 22:59                                                                                                   ` [PATCH] Fix up bogus comment Greg KH
2005-06-20 22:59                                                                                                     ` [PATCH] driver core: change export symbol for driver_for_each_device() Greg KH
2005-06-20 22:59                                                                                                       ` [PATCH] Use device_for_each_child() to unregister devices in nodemgr_remove_host_dev() Greg KH
2005-06-20 22:59                                                                                                         ` [PATCH] use device_for_each_child() to properly access child devices Greg KH
2005-06-20 22:59                                                                                                           ` [PATCH] USB: fix build warning in usb core as pointed out by Andrew Greg KH
2005-06-20 22:59                                                                                                             ` [PATCH] Driver Core: fix bk-driver-core kills ppc64 Greg KH
2005-06-20 22:59                                                                                                               ` [PATCH] Fix typo in scdrv_init() Greg KH
2005-06-20 22:59                                                                                                                 ` [PATCH] Driver core: Fix up the driver and device iterators to be quieter Greg KH
2005-06-20 22:59                                                                                                                   ` [PATCH] usb: klist_node_attached() fix Greg KH
2005-06-20 22:59                                                                                                                     ` [PATCH] sn: fixes due to driver core changes Greg KH
2005-06-20 22:59                                                                                                                       ` [PATCH] driver core: Fix races in driver_detach() Greg KH
2005-06-20 22:59                                                                                                                         ` [PATCH] Driver Core: driver model doc update Greg KH
2005-06-20 22:59                                                                                                                           ` [PATCH] Driver core: unregister_node() for hotplug use Greg KH
2005-06-20 22:59                                                                                                                             ` [PATCH] usbcore: Don't call device_release_driver recursively Greg KH
2005-06-20 22:59                                                                                                                               ` [PATCH] libfs: add simple attribute files Greg KH
2005-06-20 22:59                                                                                                                                 ` [PATCH] Driver core: change device_attribute callbacks Greg KH
2005-06-20 22:59                                                                                                                                   ` [PATCH] driver core: fix error handling in bus_add_device Greg KH
2005-06-20 22:59                                                                                                                                     ` [PATCH] Driver core: Documentation: update device attribute callbacks Greg KH
2005-06-20 22:59                                                                                                                                       ` [PATCH] Driver Core: drivers/base - drivers/i2c/chips/adm1026.c: " Greg KH
2005-06-20 22:59                                                                                                                                         ` [PATCH] Driver Core: arch: " Greg KH
2005-06-20 22:59                                                                                                                                           ` [PATCH] Driver Core: drivers/i2c/chips/adm1031.c - lm75.c: " Greg KH
2005-06-20 22:59                                                                                                                                             ` [PATCH] Driver Core: drivers/i2c/chips/lm77.c - max1619.c: " Greg KH
2005-06-20 22:59                                                                                                                                               ` [PATCH] Driver Core: drivers/i2c/chips/pc87360.c - w83627hf.c: " Greg KH
2005-06-20 22:59                                                                                                                                                 ` [PATCH] Driver Core: drivers/char/raw3270.c - drivers/net/netiucv.c: " Greg KH
2005-06-20 22:59                                                                                                                                                   ` [PATCH] Driver Core: drivers/i2c/chips/w83781d.c - drivers/s390/block/dcssblk.c: " Greg KH
2005-06-20 22:59                                                                                                                                                     ` [PATCH] Driver Core: drivers/usb/input/aiptek.c - drivers/zorro/zorro-sysfs.c: " Greg KH
2005-06-20 22:59                                                                                                                                                       ` [PATCH] Driver Core: drivers/s390/net/qeth_sys.c - drivers/usb/gadget/pxa2xx_udc.c: " Greg KH
2005-06-20 22:59                                                                                                                                                         ` [PATCH] Driver Core: include: " Greg KH
2005-06-20 22:59                                                                                                                                                           ` [PATCH] I2C: drivers/i2c/chips/adm1026.c: use dynamic sysfs callbacks Greg KH
2005-06-20 22:59                                                                                                                                                             ` [PATCH] I2C: add i2c sensor_device_attribute and macros Greg KH
2005-06-20 22:59                                                                                                                                                               ` [PATCH] sysfs-iattr: attach sysfs_dirent before new inode Greg KH
2005-06-20 22:59                                                                                                                                                                 ` [PATCH] Driver core: Don't "lose" devices on suspend on failure Greg KH
2005-06-20 22:59                                                                                                                                                                   ` [PATCH] sysfs-iattr: set inode attributes Greg KH
2005-06-20 22:59                                                                                                                                                                     ` [PATCH] sysfs-iattr: add sysfs_setattr Greg KH
2005-06-20 22:59                                                                                                                                                                       ` [PATCH] SYSFS: fix PAGE_SIZE check Greg KH
2005-06-20 22:59                                                                                                                                                                         ` [PATCH] USB: fix show_modalias() function due to attribute change Greg KH
2005-06-20 22:59                                                                                                                                                                           ` [PATCH] PCI: " Greg KH
2005-07-06  0:38                                                                                               ` [PATCH] Use device_for_each_child() to unregister devices in scsi_remove_target() Patrick Mansfield
2005-07-12  0:20                                                                                                 ` Greg KH
2005-07-12  0:56                                                                                                   ` Patrick Mansfield
2005-06-21 11:42                                                                         ` [PATCH] Add initial implementation of klist helpers Rik van Riel
2005-06-21 23:13                                                                           ` Greg KH

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