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-rw-r--r--drivers/base/Kconfig17
-rw-r--r--drivers/base/base.h3
-rw-r--r--drivers/base/dd.c26
-rw-r--r--drivers/crypto/nx/nx-842.c7
-rw-r--r--drivers/iommu/exynos-iommu.c7
-rw-r--r--drivers/vfio/vfio.c8
-rw-r--r--fs/kernfs/dir.c1
-rw-r--r--fs/kernfs/file.c41
-rw-r--r--fs/kernfs/kernfs-internal.h5
-rw-r--r--fs/kernfs/mount.c22
-rw-r--r--fs/sysfs/group.c10
-rw-r--r--fs/sysfs/mount.c4
-rw-r--r--include/linux/device.h15
-rw-r--r--include/linux/init.h14
-rw-r--r--include/linux/kernfs.h17
-rw-r--r--include/linux/kobject.h2
-rw-r--r--include/linux/sysfs.h2
-rw-r--r--kernel/cgroup.c4
-rw-r--r--kernel/ksysfs.c5
-rw-r--r--kernel/sysctl.c4
-rw-r--r--lib/devres.c10
-rw-r--r--lib/kobject_uevent.c6
22 files changed, 141 insertions, 89 deletions
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 8fa8dea..4b7b452 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -1,10 +1,10 @@
menu "Generic Driver Options"
-config UEVENT_HELPER_PATH
- string "path to uevent helper"
- default ""
+config UEVENT_HELPER
+ bool "Support for uevent helper"
+ default y
help
- Path to uevent helper program forked by the kernel for
+ The uevent helper program is forked by the kernel for
every uevent.
Before the switch to the netlink-based uevent source, this was
used to hook hotplug scripts into kernel device events. It
@@ -15,8 +15,13 @@ config UEVENT_HELPER_PATH
that it creates a high system load, or on smaller systems
it is known to create out-of-memory situations during bootup.
- To disable user space helper program execution at early boot
- time specify an empty string here. This setting can be altered
+config UEVENT_HELPER_PATH
+ string "path to uevent helper"
+ depends on UEVENT_HELPER
+ default ""
+ help
+ To disable user space helper program execution at by default
+ specify an empty string here. This setting can still be altered
via /proc/sys/kernel/hotplug or via /sys/kernel/uevent_helper
later at runtime.
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 24f4242..251c5d3 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -63,8 +63,6 @@ struct driver_private {
* binding of drivers which were unable to get all the resources needed by
* the device; typically because it depends on another driver getting
* probed first.
- * @driver_data - private pointer for driver specific info. Will turn into a
- * list soon.
* @device - pointer back to the struct class that this structure is
* associated with.
*
@@ -76,7 +74,6 @@ struct device_private {
struct klist_node knode_driver;
struct klist_node knode_bus;
struct list_head deferred_probe;
- void *driver_data;
struct device *device;
};
#define to_device_private_parent(obj) \
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 62ec61e..e4ffbcf 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -587,29 +587,3 @@ void driver_detach(struct device_driver *drv)
put_device(dev);
}
}
-
-/*
- * These exports can't be _GPL due to .h files using this within them, and it
- * might break something that was previously working...
- */
-void *dev_get_drvdata(const struct device *dev)
-{
- if (dev && dev->p)
- return dev->p->driver_data;
- return NULL;
-}
-EXPORT_SYMBOL(dev_get_drvdata);
-
-int dev_set_drvdata(struct device *dev, void *data)
-{
- int error;
-
- if (!dev->p) {
- error = device_private_init(dev);
- if (error)
- return error;
- }
- dev->p->driver_data = data;
- return 0;
-}
-EXPORT_SYMBOL(dev_set_drvdata);
diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c
index 1e5481d..5ce8b57 100644
--- a/drivers/crypto/nx/nx-842.c
+++ b/drivers/crypto/nx/nx-842.c
@@ -1197,12 +1197,7 @@ static int __init nx842_probe(struct vio_dev *viodev,
}
rcu_read_lock();
- if (dev_set_drvdata(&viodev->dev, rcu_dereference(devdata))) {
- rcu_read_unlock();
- dev_err(&viodev->dev, "failed to set driver data for device\n");
- ret = -1;
- goto error;
- }
+ dev_set_drvdata(&viodev->dev, rcu_dereference(devdata));
rcu_read_unlock();
if (sysfs_create_group(&viodev->dev.kobj, &nx842_attribute_group)) {
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 2ca0744..685f926 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -542,12 +542,7 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
goto err_alloc;
}
- ret = dev_set_drvdata(dev, data);
- if (ret) {
- dev_dbg(dev, "Unabled to initialize driver data\n");
- goto err_init;
- }
-
+ dev_set_drvdata(dev, data);
data->nsfrs = pdev->num_resources / 2;
data->sfrbases = kmalloc(sizeof(*data->sfrbases) * data->nsfrs,
GFP_KERNEL);
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 512f479..f018d8d 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -349,7 +349,6 @@ struct vfio_device *vfio_group_create_device(struct vfio_group *group,
void *device_data)
{
struct vfio_device *device;
- int ret;
device = kzalloc(sizeof(*device), GFP_KERNEL);
if (!device)
@@ -360,12 +359,7 @@ struct vfio_device *vfio_group_create_device(struct vfio_group *group,
device->group = group;
device->ops = ops;
device->device_data = device_data;
-
- ret = dev_set_drvdata(dev, device);
- if (ret) {
- kfree(device);
- return ERR_PTR(ret);
- }
+ dev_set_drvdata(dev, device);
/* No need to get group_lock, caller has group reference */
vfio_group_get(group);
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index ac127cd..a693f5b 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -714,6 +714,7 @@ struct kernfs_root *kernfs_create_root(struct kernfs_syscall_ops *scops,
return ERR_PTR(-ENOMEM);
ida_init(&root->ino_ida);
+ INIT_LIST_HEAD(&root->supers);
kn = __kernfs_new_node(root, "", S_IFDIR | S_IRUGO | S_IXUGO,
KERNFS_DIR);
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index 5e9a80c..e3d37f6 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -14,6 +14,7 @@
#include <linux/poll.h>
#include <linux/pagemap.h>
#include <linux/sched.h>
+#include <linux/fsnotify.h>
#include "kernfs-internal.h"
@@ -790,20 +791,48 @@ static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait)
*/
void kernfs_notify(struct kernfs_node *kn)
{
+ struct kernfs_root *root = kernfs_root(kn);
struct kernfs_open_node *on;
+ struct kernfs_super_info *info;
unsigned long flags;
+ if (WARN_ON(kernfs_type(kn) != KERNFS_FILE))
+ return;
+
+ /* kick poll */
spin_lock_irqsave(&kernfs_open_node_lock, flags);
- if (!WARN_ON(kernfs_type(kn) != KERNFS_FILE)) {
- on = kn->attr.open;
- if (on) {
- atomic_inc(&on->event);
- wake_up_interruptible(&on->poll);
- }
+ on = kn->attr.open;
+ if (on) {
+ atomic_inc(&on->event);
+ wake_up_interruptible(&on->poll);
}
spin_unlock_irqrestore(&kernfs_open_node_lock, flags);
+
+ /* kick fsnotify */
+ mutex_lock(&kernfs_mutex);
+
+ list_for_each_entry(info, &root->supers, node) {
+ struct inode *inode;
+ struct dentry *dentry;
+
+ inode = ilookup(info->sb, kn->ino);
+ if (!inode)
+ continue;
+
+ dentry = d_find_any_alias(inode);
+ if (dentry) {
+ fsnotify_parent(NULL, dentry, FS_MODIFY);
+ fsnotify(inode, FS_MODIFY, inode, FSNOTIFY_EVENT_INODE,
+ NULL, 0);
+ dput(dentry);
+ }
+
+ iput(inode);
+ }
+
+ mutex_unlock(&kernfs_mutex);
}
EXPORT_SYMBOL_GPL(kernfs_notify);
diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 8be13b2..dc84a3e 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -49,6 +49,8 @@ static inline struct kernfs_root *kernfs_root(struct kernfs_node *kn)
* mount.c
*/
struct kernfs_super_info {
+ struct super_block *sb;
+
/*
* The root associated with this super_block. Each super_block is
* identified by the root and ns it's associated with.
@@ -62,6 +64,9 @@ struct kernfs_super_info {
* an array and compare kernfs_node tag against every entry.
*/
const void *ns;
+
+ /* anchored at kernfs_root->supers, protected by kernfs_mutex */
+ struct list_head node;
};
#define kernfs_info(SB) ((struct kernfs_super_info *)(SB->s_fs_info))
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
index 6a5f04a..d171b98 100644
--- a/fs/kernfs/mount.c
+++ b/fs/kernfs/mount.c
@@ -62,15 +62,16 @@ struct kernfs_root *kernfs_root_from_sb(struct super_block *sb)
return NULL;
}
-static int kernfs_fill_super(struct super_block *sb)
+static int kernfs_fill_super(struct super_block *sb, unsigned long magic)
{
struct kernfs_super_info *info = kernfs_info(sb);
struct inode *inode;
struct dentry *root;
+ info->sb = sb;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
- sb->s_magic = SYSFS_MAGIC;
+ sb->s_magic = magic;
sb->s_op = &kernfs_sops;
sb->s_time_gran = 1;
@@ -131,6 +132,7 @@ const void *kernfs_super_ns(struct super_block *sb)
* @fs_type: file_system_type of the fs being mounted
* @flags: mount flags specified for the mount
* @root: kernfs_root of the hierarchy being mounted
+ * @magic: file system specific magic number
* @new_sb_created: tell the caller if we allocated a new superblock
* @ns: optional namespace tag of the mount
*
@@ -142,8 +144,8 @@ const void *kernfs_super_ns(struct super_block *sb)
* The return value can be passed to the vfs layer verbatim.
*/
struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
- struct kernfs_root *root, bool *new_sb_created,
- const void *ns)
+ struct kernfs_root *root, unsigned long magic,
+ bool *new_sb_created, const void *ns)
{
struct super_block *sb;
struct kernfs_super_info *info;
@@ -166,12 +168,18 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
*new_sb_created = !sb->s_root;
if (!sb->s_root) {
- error = kernfs_fill_super(sb);
+ struct kernfs_super_info *info = kernfs_info(sb);
+
+ error = kernfs_fill_super(sb, magic);
if (error) {
deactivate_locked_super(sb);
return ERR_PTR(error);
}
sb->s_flags |= MS_ACTIVE;
+
+ mutex_lock(&kernfs_mutex);
+ list_add(&info->node, &root->supers);
+ mutex_unlock(&kernfs_mutex);
}
return dget(sb->s_root);
@@ -190,6 +198,10 @@ void kernfs_kill_sb(struct super_block *sb)
struct kernfs_super_info *info = kernfs_info(sb);
struct kernfs_node *root_kn = sb->s_root->d_fsdata;
+ mutex_lock(&kernfs_mutex);
+ list_del(&info->node);
+ mutex_unlock(&kernfs_mutex);
+
/*
* Remove the superblock from fs_supers/s_instances
* so we can't find it, before freeing kernfs_super_info.
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index aa04068..7d2a860 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -18,7 +18,7 @@
#include "sysfs.h"
-static void remove_files(struct kernfs_node *parent, struct kobject *kobj,
+static void remove_files(struct kernfs_node *parent,
const struct attribute_group *grp)
{
struct attribute *const *attr;
@@ -29,7 +29,7 @@ static void remove_files(struct kernfs_node *parent, struct kobject *kobj,
kernfs_remove_by_name(parent, (*attr)->name);
if (grp->bin_attrs)
for (bin_attr = grp->bin_attrs; *bin_attr; bin_attr++)
- sysfs_remove_bin_file(kobj, *bin_attr);
+ kernfs_remove_by_name(parent, (*bin_attr)->attr.name);
}
static int create_files(struct kernfs_node *parent, struct kobject *kobj,
@@ -62,7 +62,7 @@ static int create_files(struct kernfs_node *parent, struct kobject *kobj,
break;
}
if (error) {
- remove_files(parent, kobj, grp);
+ remove_files(parent, grp);
goto exit;
}
}
@@ -79,7 +79,7 @@ static int create_files(struct kernfs_node *parent, struct kobject *kobj,
break;
}
if (error)
- remove_files(parent, kobj, grp);
+ remove_files(parent, grp);
}
exit:
return error;
@@ -224,7 +224,7 @@ void sysfs_remove_group(struct kobject *kobj,
kernfs_get(kn);
}
- remove_files(kn, kobj, grp);
+ remove_files(kn, grp);
if (grp->name)
kernfs_remove(kn);
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 8794423..8a49486 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -13,6 +13,7 @@
#define DEBUG
#include <linux/fs.h>
+#include <linux/magic.h>
#include <linux/mount.h>
#include <linux/init.h>
#include <linux/user_namespace.h>
@@ -38,7 +39,8 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type,
}
ns = kobj_ns_grab_current(KOBJ_NS_TYPE_NET);
- root = kernfs_mount_ns(fs_type, flags, sysfs_root, &new_sb, ns);
+ root = kernfs_mount_ns(fs_type, flags, sysfs_root,
+ SYSFS_MAGIC, &new_sb, ns);
if (IS_ERR(root) || !new_sb)
kobj_ns_drop(KOBJ_NS_TYPE_NET, ns);
return root;
diff --git a/include/linux/device.h b/include/linux/device.h
index d1d1c05..1b18c88 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -673,6 +673,7 @@ struct acpi_dev_node {
* variants, which GPIO pins act in what additional roles, and so
* on. This shrinks the "Board Support Packages" (BSPs) and
* minimizes board-specific #ifdefs in drivers.
+ * @driver_data: Private pointer for driver specific info.
* @power: For device power management.
* See Documentation/power/devices.txt for details.
* @pm_domain: Provide callbacks that are executed during system suspend,
@@ -734,6 +735,8 @@ struct device {
device */
void *platform_data; /* Platform specific data, device
core doesn't touch it */
+ void *driver_data; /* Driver data, set and get with
+ dev_set/get_drvdata */
struct dev_pm_info power;
struct dev_pm_domain *pm_domain;
@@ -823,6 +826,16 @@ static inline void set_dev_node(struct device *dev, int node)
}
#endif
+static inline void *dev_get_drvdata(const struct device *dev)
+{
+ return dev->driver_data;
+}
+
+static inline void dev_set_drvdata(struct device *dev, void *data)
+{
+ dev->driver_data = data;
+}
+
static inline struct pm_subsys_data *dev_to_psd(struct device *dev)
{
return dev ? dev->power.subsys_data : NULL;
@@ -907,8 +920,6 @@ extern int device_move(struct device *dev, struct device *new_parent,
extern const char *device_get_devnode(struct device *dev,
umode_t *mode, kuid_t *uid, kgid_t *gid,
const char **tmp);
-extern void *dev_get_drvdata(const struct device *dev);
-extern int dev_set_drvdata(struct device *dev, void *data);
static inline bool device_supports_offline(struct device *dev)
{
diff --git a/include/linux/init.h b/include/linux/init.h
index a3ba270..2df8e8d 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -297,16 +297,28 @@ void __init parse_early_options(char *cmdline);
#else /* MODULE */
-/* Don't use these in loadable modules, but some people do... */
+/*
+ * In most cases loadable modules do not need custom
+ * initcall levels. There are still some valid cases where
+ * a driver may be needed early if built in, and does not
+ * matter when built as a loadable module. Like bus
+ * snooping debug drivers.
+ */
#define early_initcall(fn) module_init(fn)
#define core_initcall(fn) module_init(fn)
+#define core_initcall_sync(fn) module_init(fn)
#define postcore_initcall(fn) module_init(fn)
+#define postcore_initcall_sync(fn) module_init(fn)
#define arch_initcall(fn) module_init(fn)
#define subsys_initcall(fn) module_init(fn)
+#define subsys_initcall_sync(fn) module_init(fn)
#define fs_initcall(fn) module_init(fn)
+#define fs_initcall_sync(fn) module_init(fn)
#define rootfs_initcall(fn) module_init(fn)
#define device_initcall(fn) module_init(fn)
+#define device_initcall_sync(fn) module_init(fn)
#define late_initcall(fn) module_init(fn)
+#define late_initcall_sync(fn) module_init(fn)
#define console_initcall(fn) module_init(fn)
#define security_initcall(fn) module_init(fn)
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index ca1be5c..17aa1cc 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -161,6 +161,10 @@ struct kernfs_root {
/* private fields, do not use outside kernfs proper */
struct ida ino_ida;
struct kernfs_syscall_ops *syscall_ops;
+
+ /* list of kernfs_super_info of this root, protected by kernfs_mutex */
+ struct list_head supers;
+
wait_queue_head_t deactivate_waitq;
};
@@ -297,8 +301,8 @@ void kernfs_notify(struct kernfs_node *kn);
const void *kernfs_super_ns(struct super_block *sb);
struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
- struct kernfs_root *root, bool *new_sb_created,
- const void *ns);
+ struct kernfs_root *root, unsigned long magic,
+ bool *new_sb_created, const void *ns);
void kernfs_kill_sb(struct super_block *sb);
void kernfs_init(void);
@@ -391,7 +395,8 @@ static inline const void *kernfs_super_ns(struct super_block *sb)
static inline struct dentry *
kernfs_mount_ns(struct file_system_type *fs_type, int flags,
- struct kernfs_root *root, bool *new_sb_created, const void *ns)
+ struct kernfs_root *root, unsigned long magic,
+ bool *new_sb_created, const void *ns)
{ return ERR_PTR(-ENOSYS); }
static inline void kernfs_kill_sb(struct super_block *sb) { }
@@ -449,9 +454,11 @@ static inline int kernfs_rename(struct kernfs_node *kn,
static inline struct dentry *
kernfs_mount(struct file_system_type *fs_type, int flags,
- struct kernfs_root *root, bool *new_sb_created)
+ struct kernfs_root *root, unsigned long magic,
+ bool *new_sb_created)
{
- return kernfs_mount_ns(fs_type, flags, root, new_sb_created, NULL);
+ return kernfs_mount_ns(fs_type, flags, root,
+ magic, new_sb_created, NULL);
}
#endif /* __LINUX_KERNFS_H */
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index f896a33..2d61b90 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -32,8 +32,10 @@
#define UEVENT_NUM_ENVP 32 /* number of env pointers */
#define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */
+#ifdef CONFIG_UEVENT_HELPER
/* path to the userspace helper executed on an event */
extern char uevent_helper[];
+#endif
/* counter to tag the uevent, read only except for the kobject core */
extern u64 uevent_seqnum;
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 5ffaa34..f97d0db 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -437,7 +437,7 @@ static inline int __must_check sysfs_create_file(struct kobject *kobj,
static inline void sysfs_remove_file(struct kobject *kobj,
const struct attribute *attr)
{
- return sysfs_remove_file_ns(kobj, attr, NULL);
+ sysfs_remove_file_ns(kobj, attr, NULL);
}
static inline int sysfs_rename_link(struct kobject *kobj, struct kobject *target,
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 3f1ca93..ceee0c5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -33,6 +33,7 @@
#include <linux/init_task.h>
#include <linux/kernel.h>
#include <linux/list.h>
+#include <linux/magic.h>
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/mount.h>
@@ -1604,7 +1605,8 @@ out_unlock:
if (ret)
return ERR_PTR(ret);
- dentry = kernfs_mount(fs_type, flags, root->kf_root, &new_sb);
+ dentry = kernfs_mount(fs_type, flags, root->kf_root,
+ CGROUP_SUPER_MAGIC, &new_sb);
if (IS_ERR(dentry) || !new_sb)
cgroup_put(&root->cgrp);
return dentry;
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 2495a9b..6683cce 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -37,6 +37,7 @@ static ssize_t uevent_seqnum_show(struct kobject *kobj,
}
KERNEL_ATTR_RO(uevent_seqnum);
+#ifdef CONFIG_UEVENT_HELPER
/* uevent helper program, used during early boot */
static ssize_t uevent_helper_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
@@ -56,7 +57,7 @@ static ssize_t uevent_helper_store(struct kobject *kobj,
return count;
}
KERNEL_ATTR_RW(uevent_helper);
-
+#endif
#ifdef CONFIG_PROFILING
static ssize_t profiling_show(struct kobject *kobj,
@@ -189,7 +190,9 @@ EXPORT_SYMBOL_GPL(kernel_kobj);
static struct attribute * kernel_attrs[] = {
&fscaps_attr.attr,
&uevent_seqnum_attr.attr,
+#ifdef CONFIG_UEVENT_HELPER
&uevent_helper_attr.attr,
+#endif
#ifdef CONFIG_PROFILING
&profiling_attr.attr,
#endif
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 74f5b58..bc966a8 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -643,7 +643,7 @@ static struct ctl_table kern_table[] = {
.extra2 = &one,
},
#endif
-
+#ifdef CONFIG_UEVENT_HELPER
{
.procname = "hotplug",
.data = &uevent_helper,
@@ -651,7 +651,7 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dostring,
},
-
+#endif
#ifdef CONFIG_CHR_DEV_SG
{
.procname = "sg-big-buff",
diff --git a/lib/devres.c b/lib/devres.c
index 2f16c13..f562bf6 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -157,12 +157,12 @@ EXPORT_SYMBOL(devm_ioremap_resource);
* if (!base)
* return -EADDRNOTAVAIL;
*/
-void __iomem *devm_request_and_ioremap(struct device *device,
+void __iomem *devm_request_and_ioremap(struct device *dev,
struct resource *res)
{
void __iomem *dest_ptr;
- dest_ptr = devm_ioremap_resource(device, res);
+ dest_ptr = devm_ioremap_resource(dev, res);
if (IS_ERR(dest_ptr))
return NULL;
@@ -194,7 +194,7 @@ static int devm_ioport_map_match(struct device *dev, void *res,
* Managed ioport_map(). Map is automatically unmapped on driver
* detach.
*/
-void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
+void __iomem *devm_ioport_map(struct device *dev, unsigned long port,
unsigned int nr)
{
void __iomem **ptr, *addr;
@@ -265,7 +265,7 @@ static void pcim_iomap_release(struct device *gendev, void *res)
* be safely called without context and guaranteed to succed once
* allocated.
*/
-void __iomem * const * pcim_iomap_table(struct pci_dev *pdev)
+void __iomem * const *pcim_iomap_table(struct pci_dev *pdev)
{
struct pcim_iomap_devres *dr, *new_dr;
@@ -290,7 +290,7 @@ EXPORT_SYMBOL(pcim_iomap_table);
* Managed pci_iomap(). Map is automatically unmapped on driver
* detach.
*/
-void __iomem * pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen)
+void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen)
{
void __iomem **tbl;
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 4e3bd71..9ebf9e2 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -29,7 +29,9 @@
u64 uevent_seqnum;
+#ifdef CONFIG_UEVENT_HELPER
char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH;
+#endif
#ifdef CONFIG_NET
struct uevent_sock {
struct list_head list;
@@ -109,6 +111,7 @@ static int kobj_bcast_filter(struct sock *dsk, struct sk_buff *skb, void *data)
}
#endif
+#ifdef CONFIG_UEVENT_HELPER
static int kobj_usermode_filter(struct kobject *kobj)
{
const struct kobj_ns_type_operations *ops;
@@ -147,6 +150,7 @@ static void cleanup_uevent_env(struct subprocess_info *info)
{
kfree(info->data);
}
+#endif
/**
* kobject_uevent_env - send an uevent with environmental data
@@ -323,6 +327,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
#endif
mutex_unlock(&uevent_sock_mutex);
+#ifdef CONFIG_UEVENT_HELPER
/* call uevent_helper, usually only enabled during early boot */
if (uevent_helper[0] && !kobj_usermode_filter(kobj)) {
struct subprocess_info *info;
@@ -347,6 +352,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
env = NULL; /* freed by cleanup_uevent_env */
}
}
+#endif
exit:
kfree(devpath);
generated by cgit v0.10.2 at 2024-11-15 02:13:34 (GMT)