Driver core: change sysdev classes to use dynamic kobject names

All kobjects require a dynamically allocated name now. We no longer
need to keep track if the name is statically assigned, we can just
unconditionally free() all kobject names on cleanup.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

arch/arm/kernel/time.c

@@ -195,7 +195,7 @@ static int leds_shutdown(struct sys_device *dev)
 }
 
 static struct sysdev_class leds_sysclass = {
-	set_kset_name("leds"),
+	.name		= "leds",
 	.shutdown	= leds_shutdown,
 	.suspend	= leds_suspend,
 	.resume		= leds_resume,
@@ -369,7 +369,7 @@ static int timer_resume(struct sys_device *dev)
 #endif
 
 static struct sysdev_class timer_sysclass = {
-	set_kset_name("timer"),
+	.name		= "timer",
 	.suspend	= timer_suspend,
 	.resume		= timer_resume,
 };

arch/arm/mach-integrator/integrator_ap.c

@@ -214,7 +214,7 @@ static int irq_resume(struct sys_device *dev)
 #endif
 
 static struct sysdev_class irq_class = {
-	set_kset_name("irq"),
+	.name		= "irq",
 	.suspend	= irq_suspend,
 	.resume		= irq_resume,
 };

arch/arm/mach-pxa/cm-x270.c

@@ -566,7 +566,7 @@ static int cmx270_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class cmx270_pm_sysclass = {
-	set_kset_name("pm"),
+	.name = "pm",
 	.resume = cmx270_resume,
 	.suspend = cmx270_suspend,
 };

arch/arm/mach-pxa/lpd270.c

@@ -122,7 +122,7 @@ static int lpd270_irq_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class lpd270_irq_sysclass = {
-	set_kset_name("cpld_irq"),
+	.name = "cpld_irq",
 	.resume = lpd270_irq_resume,
 };
 

arch/arm/mach-pxa/lubbock.c

@@ -126,7 +126,7 @@ static int lubbock_irq_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class lubbock_irq_sysclass = {
-	set_kset_name("cpld_irq"),
+	.name = "cpld_irq",
 	.resume = lubbock_irq_resume,
 };
 

arch/arm/mach-pxa/mainstone.c

@@ -120,7 +120,7 @@ static int mainstone_irq_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class mainstone_irq_sysclass = {
-	set_kset_name("cpld_irq"),
+	.name = "cpld_irq",
 	.resume = mainstone_irq_resume,
 };
 

arch/arm/mach-s3c2410/s3c2410.c

@@ -100,7 +100,7 @@ void __init s3c2410_init_clocks(int xtal)
 }
 
 struct sysdev_class s3c2410_sysclass = {
-	set_kset_name("s3c2410-core"),
+	.name = "s3c2410-core",
 };
 
 static struct sys_device s3c2410_sysdev = {

arch/arm/mach-s3c2412/s3c2412.c

@@ -196,7 +196,7 @@ void __init s3c2412_init_clocks(int xtal)
 */
 
 struct sysdev_class s3c2412_sysclass = {
-	set_kset_name("s3c2412-core"),
+	.name = "s3c2412-core",
 };
 
 static int __init s3c2412_core_init(void)

arch/arm/mach-s3c2440/mach-osiris.c

@@ -312,7 +312,7 @@ static int osiris_pm_resume(struct sys_device *sd)
 #endif
 
 static struct sysdev_class osiris_pm_sysclass = {
-	set_kset_name("mach-osiris"),
+	.name		= "mach-osiris",
 	.suspend	= osiris_pm_suspend,
 	.resume		= osiris_pm_resume,
 };

arch/arm/mach-s3c2443/s3c2443.c

@@ -43,7 +43,7 @@ static struct map_desc s3c2443_iodesc[] __initdata = {
 };
 
 struct sysdev_class s3c2443_sysclass = {
-	set_kset_name("s3c2443-core"),
+	.name = "s3c2443-core",
 };
 
 static struct sys_device s3c2443_sysdev = {

arch/arm/mach-sa1100/irq.c

@@ -283,7 +283,7 @@ static int sa1100irq_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class sa1100irq_sysclass = {
-	set_kset_name("sa11x0-irq"),
+	.name		= "sa11x0-irq",
 	.suspend	= sa1100irq_suspend,
 	.resume		= sa1100irq_resume,
 };

arch/arm/oprofile/common.c

@@ -96,7 +96,7 @@ static int op_arm_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class oprofile_sysclass = {
-	set_kset_name("oprofile"),
+	.name		= "oprofile",
 	.resume		= op_arm_resume,
 	.suspend	= op_arm_suspend,
 };

arch/arm/plat-omap/gpio.c

@@ -1455,7 +1455,7 @@ static int omap_gpio_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class omap_gpio_sysclass = {
-	set_kset_name("gpio"),
+	.name		= "gpio",
 	.suspend	= omap_gpio_suspend,
 	.resume		= omap_gpio_resume,
 };

arch/arm/plat-s3c24xx/dma.c

@@ -1265,7 +1265,7 @@ static int s3c2410_dma_resume(struct sys_device *dev)
 #endif /* CONFIG_PM */
 
 struct sysdev_class dma_sysclass = {
-	set_kset_name("s3c24xx-dma"),
+	.name		= "s3c24xx-dma",
 	.suspend	= s3c2410_dma_suspend,
 	.resume		= s3c2410_dma_resume,
 };

arch/arm/plat-s3c24xx/s3c244x.c

@@ -151,13 +151,13 @@ static int s3c244x_resume(struct sys_device *dev)
 /* Since the S3C2442 and S3C2440 share  items, put both sysclasses here */
 
 struct sysdev_class s3c2440_sysclass = {
-	set_kset_name("s3c2440-core"),
+	.name		= "s3c2440-core",
 	.suspend	= s3c244x_suspend,
 	.resume		= s3c244x_resume
 };
 
 struct sysdev_class s3c2442_sysclass = {
-	set_kset_name("s3c2442-core"),
+	.name		= "s3c2442-core",
 	.suspend	= s3c244x_suspend,
 	.resume		= s3c244x_resume
 };

arch/avr32/kernel/time.c

@@ -214,7 +214,7 @@ void __init time_init(void)
 }
 
 static struct sysdev_class timer_class = {
-	set_kset_name("timer"),
+	.name = "timer",
 };
 
 static struct sys_device timer_device = {

arch/mips/kernel/i8259.c

@@ -238,7 +238,7 @@ static int i8259A_shutdown(struct sys_device *dev)
 }
 
 static struct sysdev_class i8259_sysdev_class = {
-	set_kset_name("i8259"),
+	.name = "i8259",
 	.resume = i8259A_resume,
 	.shutdown = i8259A_shutdown,
 };

arch/powerpc/platforms/cell/spu_base.c

@@ -459,7 +459,7 @@ static int spu_shutdown(struct sys_device *sysdev)
 }
 
 static struct sysdev_class spu_sysdev_class = {
-	set_kset_name("spu"),
+	.name = "spu",
 	.shutdown = spu_shutdown,
 };
 

arch/powerpc/platforms/powermac/pic.c

@@ -663,7 +663,7 @@ static int pmacpic_resume(struct sys_device *sysdev)
 #endif /* CONFIG_PM && CONFIG_PPC32 */
 
 static struct sysdev_class pmacpic_sysclass = {
-	set_kset_name("pmac_pic"),
+	.name = "pmac_pic",
 };
 
 static struct sys_device device_pmacpic = {

arch/powerpc/sysdev/ipic.c

@@ -725,7 +725,7 @@ unsigned int ipic_get_irq(void)
 }
 
 static struct sysdev_class ipic_sysclass = {
-	set_kset_name("ipic"),
+	.name = "ipic",
 };
 
 static struct sys_device device_ipic = {

arch/powerpc/sysdev/mpic.c

@@ -1584,7 +1584,7 @@ static struct sysdev_class mpic_sysclass = {
 	.resume = mpic_resume,
 	.suspend = mpic_suspend,
 #endif
-	set_kset_name("mpic"),
+	.name = "mpic",
 };
 
 static int mpic_init_sys(void)

arch/powerpc/sysdev/qe_lib/qe_ic.c

@@ -483,7 +483,7 @@ int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high)
 }
 
 static struct sysdev_class qe_ic_sysclass = {
-	set_kset_name("qe_ic"),
+	.name = "qe_ic",
 };
 
 static struct sys_device device_qe_ic = {

arch/ppc/syslib/ipic.c

@@ -614,7 +614,7 @@ int ipic_get_irq(void)
 }
 
 static struct sysdev_class ipic_sysclass = {
-	set_kset_name("ipic"),
+	.name = "ipic",
 };
 
 static struct sys_device device_ipic = {

arch/ppc/syslib/open_pic.c

@@ -1043,7 +1043,7 @@ int openpic_resume(struct sys_device *sysdev)
 #endif /* CONFIG_PM */
 
 static struct sysdev_class openpic_sysclass = {
-	set_kset_name("openpic"),
+	.name = "openpic",
 };
 
 static struct sys_device device_openpic = {

arch/ppc/syslib/open_pic2.c

@@ -666,7 +666,7 @@ int openpic2_resume(struct sys_device *sysdev)
 
 /* HACK ALERT */
 static struct sysdev_class openpic2_sysclass = {
-	set_kset_name("openpic2"),
+	.name = "openpic2",
 };
 
 static struct sys_device device_openpic2 = {

arch/s390/kernel/time.c

@@ -1145,7 +1145,7 @@ static void etr_work_fn(struct work_struct *work)
  * Sysfs interface functions
  */
 static struct sysdev_class etr_sysclass = {
-	set_kset_name("etr")
+	.name	= "etr",
 };
 
 static struct sys_device etr_port0_dev = {

arch/sh/drivers/dma/dma-sysfs.c

@@ -19,7 +19,7 @@
 #include <asm/dma.h>
 
 static struct sysdev_class dma_sysclass = {
-	set_kset_name("dma"),
+	.name = "dma",
 };
 EXPORT_SYMBOL(dma_sysclass);
 

arch/sh/kernel/time.c

@@ -174,7 +174,7 @@ int timer_resume(struct sys_device *dev)
 #endif
 
 static struct sysdev_class timer_sysclass = {
-	set_kset_name("timer"),
+	.name	 = "timer",
 	.suspend = timer_suspend,
 	.resume	 = timer_resume,
 };

arch/x86/kernel/apic_32.c

@@ -1530,7 +1530,7 @@ static int lapic_resume(struct sys_device *dev)
  */
 
 static struct sysdev_class lapic_sysclass = {
-	set_kset_name("lapic"),
+	.name		= "lapic",
 	.resume		= lapic_resume,
 	.suspend	= lapic_suspend,
 };

arch/x86/kernel/apic_64.c

@@ -639,7 +639,7 @@ static int lapic_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class lapic_sysclass = {
-	set_kset_name("lapic"),
+	.name		= "lapic",
 	.resume		= lapic_resume,
 	.suspend	= lapic_suspend,
 };

arch/x86/kernel/cpu/mcheck/mce_64.c

@@ -745,7 +745,7 @@ static void mce_restart(void)
 
 static struct sysdev_class mce_sysclass = {
 	.resume = mce_resume,
-	set_kset_name("machinecheck"),
+	.name = "machinecheck",
 };
 
 DEFINE_PER_CPU(struct sys_device, device_mce);

arch/x86/kernel/i8237.c

@@ -51,7 +51,7 @@ static int i8237A_suspend(struct sys_device *dev, pm_message_t state)
 }
 
 static struct sysdev_class i8237_sysdev_class = {
-	set_kset_name("i8237"),
+	.name = "i8237",
 	.suspend = i8237A_suspend,
 	.resume = i8237A_resume,
 };

arch/x86/kernel/i8259_32.c

@@ -258,7 +258,7 @@ static int i8259A_shutdown(struct sys_device *dev)
 }
 
 static struct sysdev_class i8259_sysdev_class = {
-	set_kset_name("i8259"),
+	.name = "i8259",
 	.suspend = i8259A_suspend,
 	.resume = i8259A_resume,
 	.shutdown = i8259A_shutdown,

arch/x86/kernel/i8259_64.c

@@ -370,7 +370,7 @@ static int i8259A_shutdown(struct sys_device *dev)
 }
 
 static struct sysdev_class i8259_sysdev_class = {
-	set_kset_name("i8259"),
+	.name = "i8259",
 	.suspend = i8259A_suspend,
 	.resume = i8259A_resume,
 	.shutdown = i8259A_shutdown,

arch/x86/kernel/io_apic_32.c

@@ -2401,7 +2401,7 @@ static int ioapic_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class ioapic_sysdev_class = {
-	set_kset_name("ioapic"),
+	.name = "ioapic",
 	.suspend = ioapic_suspend,
 	.resume = ioapic_resume,
 };

arch/x86/kernel/io_apic_64.c

@@ -1850,7 +1850,7 @@ static int ioapic_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class ioapic_sysdev_class = {
-	set_kset_name("ioapic"),
+	.name = "ioapic",
 	.suspend = ioapic_suspend,
 	.resume = ioapic_resume,
 };

arch/x86/kernel/nmi_32.c

@@ -176,7 +176,7 @@ static int lapic_nmi_resume(struct sys_device *dev)
 
 
 static struct sysdev_class nmi_sysclass = {
-	set_kset_name("lapic_nmi"),
+	.name		= "lapic_nmi",
 	.resume		= lapic_nmi_resume,
 	.suspend	= lapic_nmi_suspend,
 };

arch/x86/kernel/nmi_64.c

@@ -211,7 +211,7 @@ static int lapic_nmi_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class nmi_sysclass = {
-	set_kset_name("lapic_nmi"),
+	.name		= "lapic_nmi",
 	.resume		= lapic_nmi_resume,
 	.suspend	= lapic_nmi_suspend,
 };

arch/x86/oprofile/nmi_int.c

@@ -51,7 +51,7 @@ static int nmi_resume(struct sys_device *dev)
 
 
 static struct sysdev_class oprofile_sysclass = {
-	set_kset_name("oprofile"),
+	.name		= "oprofile",
 	.resume		= nmi_resume,
 	.suspend	= nmi_suspend,
 };

drivers/acpi/pci_link.c

@@ -911,7 +911,7 @@ __setup("acpi_irq_balance", acpi_irq_balance_set);
 
 /* FIXME: we will remove this interface after all drivers call pci_disable_device */
 static struct sysdev_class irqrouter_sysdev_class = {
-	set_kset_name("irqrouter"),
+	.name = "irqrouter",
 	.resume = irqrouter_resume,
 };
 

drivers/base/class.c

@@ -466,7 +466,6 @@ static struct kset_uevent_ops class_uevent_ops = {
  * entirely soon.
  */
 static struct kset class_obj_subsys = {
-	.kobj = { .k_name = "class_obj", },
 	.uevent_ops = &class_uevent_ops,
 };
 
@@ -872,6 +871,7 @@ int __init classes_init(void)
 	/* ick, this is ugly, the things we go through to keep from showing up
 	 * in sysfs... */
 	kset_init(&class_obj_subsys);
+	kobject_set_name(&class_obj_subsys.kobj, "class_obj");
 	if (!class_obj_subsys.kobj.parent)
 		class_obj_subsys.kobj.parent = &class_obj_subsys.kobj;
 	return 0;

drivers/base/cpu.c

@@ -14,7 +14,7 @@
 #include "base.h"
 
 struct sysdev_class cpu_sysdev_class = {
-	set_kset_name("cpu"),
+	.name = "cpu",
 };
 EXPORT_SYMBOL(cpu_sysdev_class);
 

drivers/base/memory.c

@@ -26,7 +26,7 @@
 #define MEMORY_CLASS_NAME	"memory"
 
 static struct sysdev_class memory_sysdev_class = {
-	set_kset_name(MEMORY_CLASS_NAME),
+	.name = MEMORY_CLASS_NAME,
 };
 
 static const char *memory_uevent_name(struct kset *kset, struct kobject *kobj)

drivers/base/node.c

@@ -15,7 +15,7 @@
 #include <linux/device.h>
 
 static struct sysdev_class node_class = {
-	set_kset_name("node"),
+	.name = "node",
 };
 
 

drivers/base/sys.c

@@ -136,6 +136,7 @@ int sysdev_class_register(struct sysdev_class * cls)
 	cls->kset.kobj.parent = &system_kset->kobj;
 	cls->kset.kobj.ktype = &ktype_sysdev_class;
 	cls->kset.kobj.kset = system_kset;
+	kobject_set_name(&cls->kset.kobj, cls->name);
 	return kset_register(&cls->kset);
 }
 

drivers/edac/edac_module.c

@@ -31,7 +31,7 @@ struct workqueue_struct *edac_workqueue;
  *	need to export to other files in this modules
  */
 static struct sysdev_class edac_class = {
-	set_kset_name("edac"),
+	.name = "edac",
 };
 static int edac_class_valid;
 

drivers/kvm/kvm_main.c

@@ -3451,7 +3451,7 @@ static int kvm_resume(struct sys_device *dev)
 }
 
 static struct sysdev_class kvm_sysdev_class = {
-	set_kset_name("kvm"),
+	.name = "kvm",
 	.suspend = kvm_suspend,
 	.resume = kvm_resume,
 };

drivers/macintosh/via-pmu.c

@@ -2796,7 +2796,7 @@ static int pmu_sys_resume(struct sys_device *sysdev)
 #endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */
 
 static struct sysdev_class pmu_sysclass = {
-	set_kset_name("pmu"),
+	.name = "pmu",
 };
 
 static struct sys_device device_pmu = {

drivers/scsi/libsas/sas_scsi_host.c

@@ -464,7 +464,7 @@ int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd)
 	res = sas_phy_reset(phy, 1);
 	if (res)
 		SAS_DPRINTK("Bus reset of %s failed 0x%x\n",
-			    phy->dev.kobj.k_name,
+			    kobject_name(&phy->dev.kobj),
 			    res);
 	if (res == TMF_RESP_FUNC_SUCC || res == TMF_RESP_FUNC_COMPLETE)
 		return SUCCESS;

include/linux/kobject.h

@@ -61,7 +61,7 @@ enum kobject_action {
 };
 
 struct kobject {
-	const char		* k_name;
+	const char		*name;
 	struct kref		kref;
 	struct list_head	entry;
 	struct kobject		* parent;
@@ -69,7 +69,6 @@ struct kobject {
 	struct kobj_type	* ktype;
 	struct sysfs_dirent	* sd;
 	unsigned int state_initialized:1;
-	unsigned int state_name_set:1;
 	unsigned int state_in_sysfs:1;
 	unsigned int state_add_uevent_sent:1;
 	unsigned int state_remove_uevent_sent:1;
@@ -80,7 +79,7 @@ extern int kobject_set_name(struct kobject *, const char *, ...)
 
 static inline const char * kobject_name(const struct kobject * kobj)
 {
-	return kobj->k_name;
+	return kobj->name;
 }
 
 extern void kobject_init(struct kobject *kobj, struct kobj_type *ktype);
@@ -189,14 +188,6 @@ static inline struct kobj_type *get_ktype(struct kobject *kobj)
 
 extern struct kobject * kset_find_obj(struct kset *, const char *);
 
-
-/*
- * Use this when initializing an embedded kset with no other 
- * fields to initialize.
- */
-#define set_kset_name(str)	.kset = { .kobj = { .k_name = str } }
-
-
 /* The global /sys/kernel/ kobject for people to chain off of */
 extern struct kobject *kernel_kobj;
 /* The global /sys/hypervisor/ kobject for people to chain off of */

include/linux/sysdev.h

@@ -29,6 +29,7 @@
 struct sys_device;
 
 struct sysdev_class {
+	const char *name;
 	struct list_head	drivers;
 
 	/* Default operations for these types of devices */

kernel/rtmutex-tester.c

@@ -394,7 +394,7 @@ static SYSDEV_ATTR(status, 0600, sysfs_test_status, NULL);
 static SYSDEV_ATTR(command, 0600, NULL, sysfs_test_command);
 
 static struct sysdev_class rttest_sysclass = {
-	set_kset_name("rttest"),
+	.name = "rttest",
 };
 
 static int init_test_thread(int id)

kernel/time/clocksource.c

@@ -441,7 +441,7 @@ static SYSDEV_ATTR(available_clocksource, 0600,
 		   sysfs_show_available_clocksources, NULL);
 
 static struct sysdev_class clocksource_sysclass = {
-	set_kset_name("clocksource"),
+	.name = "clocksource",
 };
 
 static struct sys_device device_clocksource = {

kernel/time/timekeeping.c

@@ -335,9 +335,9 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state)
 
 /* sysfs resume/suspend bits for timekeeping */
 static struct sysdev_class timekeeping_sysclass = {
+	.name		= "timekeeping",
 	.resume		= timekeeping_resume,
 	.suspend	= timekeeping_suspend,
-	set_kset_name("timekeeping"),
 };
 
 static struct sys_device device_timer = {

lib/kobject.c

@@ -165,7 +165,7 @@ static int kobject_add_internal(struct kobject *kobj)
 	if (!kobj)
 		return -ENOENT;
 
-	if (!kobj->k_name || !kobj->k_name[0]) {
+	if (!kobj->name || !kobj->name[0]) {
 		pr_debug("kobject: (%p): attempted to be registered with empty "
 			 "name!\n", kobj);
 		WARN_ON(1);
@@ -228,13 +228,11 @@ static int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
 	if (!name)
 		return -ENOMEM;
 
-
 	/* Free the old name, if necessary. */
-	kfree(kobj->k_name);
+	kfree(kobj->name);
 
 	/* Now, set the new name */
-	kobj->k_name = name;
-	kobj->state_name_set = 1;
+	kobj->name = name;
 
 	return 0;
 }
@@ -295,7 +293,6 @@ void kobject_init(struct kobject *kobj, struct kobj_type *ktype)
 	kref_init(&kobj->kref);
 	INIT_LIST_HEAD(&kobj->entry);
 	kobj->ktype = ktype;
-	kobj->state_name_set = 0;
 	kobj->state_in_sysfs = 0;
 	kobj->state_add_uevent_sent = 0;
 	kobj->state_remove_uevent_sent = 0;
@@ -551,8 +548,7 @@ struct kobject * kobject_get(struct kobject * kobj)
 static void kobject_cleanup(struct kobject *kobj)
 {
 	struct kobj_type *t = get_ktype(kobj);
-	const char *name = kobj->k_name;
-	int name_set = kobj->state_name_set;
+	const char *name = kobj->name;
 
 	pr_debug("kobject: '%s' (%p): %s\n",
 		 kobject_name(kobj), kobj, __FUNCTION__);
@@ -583,7 +579,7 @@ static void kobject_cleanup(struct kobject *kobj)
 	}
 
 	/* free name if we allocated it */
-	if (name_set && name) {
+	if (name) {
 		pr_debug("kobject: '%s': free name\n", name);
 		kfree(name);
 	}