/*
 * linux/fs/hfsplus/xattr.h
 *
 * Vyacheslav Dubeyko <slava@dubeyko.com>
 *
 * Logic of processing extended attributes
 */

#ifndef _LINUX_HFSPLUS_XATTR_H
#define _LINUX_HFSPLUS_XATTR_H

#include <linux/xattr.h>

extern const struct xattr_handler hfsplus_xattr_osx_handler;
extern const struct xattr_handler hfsplus_xattr_user_handler;
extern const struct xattr_handler hfsplus_xattr_trusted_handler;
extern const struct xattr_handler hfsplus_xattr_security_handler;

extern const struct xattr_handler *hfsplus_xattr_handlers[];

int __hfsplus_setxattr(struct inode *inode, const char *name,
			const void *value, size_t size, int flags);

int hfsplus_setxattr(struct inode *inode, const char *name,
				   const void *value, size_t size, int flags,
				   const char *prefix, size_t prefixlen);

ssize_t __hfsplus_getxattr(struct inode *inode, const char *name,
			   void *value, size_t size);

ssize_t hfsplus_getxattr(struct inode *inode, const char *name,
			 void *value, size_t size,
			 const char *prefix, size_t prefixlen);

ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size);

int hfsplus_init_security(struct inode *inode, struct inode *dir,
				const struct qstr *qstr);

int hfsplus_init_inode_security(struct inode *inode, struct inode *dir,
				const struct qstr *qstr);

#endif
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<tr><th>author</th><td>Tejun Heo &lt;tj@kernel.org&gt;</td><td class='right'>2017-01-26 16:47:28 -0500</td></tr>
<tr><th>committer</th><td>Tejun Heo &lt;tj@kernel.org&gt;</td><td class='right'>2017-01-26 16:47:28 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/irda/irlan/irlan_provider_event.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>07cd12945551b63ecb1a349d50a6d69d1d6feb4a</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/irda/irlan/irlan_provider_event.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>75f65eba7eac9277971082a2d5a4cf1370562c0c</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/irda/irlan/irlan_provider_event.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>net/irda/irlan/irlan_provider_event.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/irda/irlan/irlan_provider_event.c?id=7ce7d89f48834cefece7804d38fc5d85382edf77'>7ce7d89f48834cefece7804d38fc5d85382edf77</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/irda/irlan/irlan_provider_event.c?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a&amp;id2=7ce7d89f48834cefece7804d38fc5d85382edf77'>diff</a>)</td></tr></table>
<div class='commit-subject'>cgroup: don't online subsystems before cgroup_name/path() are operational</div><div class='commit-msg'>While refactoring cgroup creation, a5bca2152036 ("cgroup: factor out
cgroup_create() out of cgroup_mkdir()") incorrectly onlined subsystems
before the new cgroup is associated with it kernfs_node.  This is fine
for cgroup proper but cgroup_name/path() depend on the associated
kernfs_node and if a subsystem makes the new cgroup_subsys_state
visible, which they're allowed to after onlining, it can lead to NULL
dereference.

The current code performs cgroup creation and subsystem onlining in
cgroup_create() and cgroup_mkdir() makes the cgroup and subsystems
visible afterwards.  There's no reason to online the subsystems early
and we can simply drop cgroup_apply_control_enable() call from
cgroup_create() so that the subsystems are onlined and made visible at
the same time.

Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
Reported-by: Konstantin Khlebnikov &lt;khlebnikov@yandex-team.ru&gt;
Fixes: a5bca2152036 ("cgroup: factor out cgroup_create() out of cgroup_mkdir()") 
Cc: stable@vger.kernel.org # v4.6+
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=07cd12945551b63ecb1a349d50a6d69d1d6feb4a'>Diffstat</a> (limited to 'net/irda/irlan/irlan_provider_event.c')</div><table summary='diffstat' class='diffstat'>