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Commit f5ad5010 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'driver-core-3.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core 



Pull driver core and kobject fixes from Greg KH:
 "Here are some minor fixes for the driver core and kobjects that people
  have reported recently.

  Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org&gt;">

* tag 'driver-core-3.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  kobject: provide more diagnostic info for kobject_add_internal() failures
  sysfs: handle 'parent deleted before child added'
  sysfs: Prevent crash on unset sysfs group attributes
  sysfs: Update the name hash for an entry after changing the namespace
  drivers/base: fix compiler warning in SoC export driver - idr should be ida
  drivers/base: Remove unneeded spin_lock_init call for soc_lock
parents b3dfd76c 282029c0

drivers/base/soc.c

+1 −3
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@ 
#include <linux/sys_soc.h>

#include <linux/err.h>



static DEFINE_IDR(soc_ida);

static DEFINE_IDA(soc_ida);

static DEFINE_SPINLOCK(soc_lock);



static ssize_t soc_info_get(struct device *dev,
@@ -168,8 +168,6 @@ void soc_device_unregister(struct soc_device *soc_dev) 


static int __init soc_bus_register(void)

{

	spin_lock_init(&soc_lock);



	return bus_register(&soc_bus_type);

}

core_initcall(soc_bus_register);

fs/sysfs/dir.c

+4 −1
Original line number Diff line number Diff line
@@ -729,6 +729,9 @@ int sysfs_create_dir(struct kobject * kobj) 
	else

		parent_sd = &sysfs_root;



	if (!parent_sd)

		return -ENOENT;



	if (sysfs_ns_type(parent_sd))

		ns = kobj->ktype->namespace(kobj);

	type = sysfs_read_ns_type(kobj);
@@ -878,7 +881,6 @@ int sysfs_rename(struct sysfs_dirent *sd, 


		dup_name = sd->s_name;

		sd->s_name = new_name;

		sd->s_hash = sysfs_name_hash(sd->s_ns, sd->s_name);

	}



	/* Move to the appropriate place in the appropriate directories rbtree. */
@@ -886,6 +888,7 @@ int sysfs_rename(struct sysfs_dirent *sd, 
	sysfs_get(new_parent_sd);

	sysfs_put(sd->s_parent);

	sd->s_ns = new_ns;

	sd->s_hash = sysfs_name_hash(sd->s_ns, sd->s_name);

	sd->s_parent = new_parent_sd;

	sysfs_link_sibling(sd);

fs/sysfs/group.c

+5 −1
Original line number Diff line number Diff line
@@ -67,7 +67,11 @@ static int internal_create_group(struct kobject *kobj, int update, 
	/* Updates may happen before the object has been instantiated */

	if (unlikely(update && !kobj->sd))

		return -EINVAL;



	if (!grp->attrs) {

		WARN(1, "sysfs: attrs not set by subsystem for group: %s/%s\n",

			kobj->name, grp->name ? "" : grp->name);

		return -EINVAL;

	}

	if (grp->name) {

		error = sysfs_create_subdir(kobj, grp->name, &sd);

		if (error)

lib/kobject.c

+7 −7
Original line number Diff line number Diff line
@@ -192,14 +192,14 @@ static int kobject_add_internal(struct kobject *kobj) 


		/* be noisy on error issues */

		if (error == -EEXIST)

			printk(KERN_ERR "%s failed for %s with "

			WARN(1, "%s failed for %s with "

			     "-EEXIST, don't try to register things with "

			     "the same name in the same directory.\n",

			     __func__, kobject_name(kobj));

		else

			printk(KERN_ERR "%s failed for %s (%d)\n",

			       __func__, kobject_name(kobj), error);

		dump_stack();

			WARN(1, "%s failed for %s (error: %d parent: %s)\n",

			     __func__, kobject_name(kobj), error,

			     parent ? kobject_name(parent) : "'none'");

	} else

		kobj->state_in_sysfs = 1;