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-rw-r--r--drivers/base/soc.c4
-rw-r--r--fs/sysfs/dir.c5
-rw-r--r--fs/sysfs/group.c6
-rw-r--r--lib/kobject.c14
4 files changed, 17 insertions, 12 deletions
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index 05f1503..ba29b2e 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -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);
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 2a7a3f5..35a36d3 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -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);
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index dd1701c..2df555c 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -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)
diff --git a/lib/kobject.c b/lib/kobject.c
index 21dee7c..aeefa8b 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -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 "
- "-EEXIST, don't try to register things with "
- "the same name in the same directory.\n",
- __func__, kobject_name(kobj));
+ 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;
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