self.c (1a384eaac265b57961c9696d9177f82eb84319e9) self.c (fceef393a538134f03b778c5d2519e670269342f)
1#include <linux/sched.h>
2#include <linux/slab.h>
3#include <linux/pid_namespace.h>
4#include "internal.h"
5
6/*
7 * /proc/self:
8 */

--- 5 unchanged lines hidden (view full) ---

14 char tmp[PROC_NUMBUF];
15 if (!tgid)
16 return -ENOENT;
17 sprintf(tmp, "%d", tgid);
18 return readlink_copy(buffer, buflen, tmp);
19}
20
21static const char *proc_self_get_link(struct dentry *dentry,
1#include <linux/sched.h>
2#include <linux/slab.h>
3#include <linux/pid_namespace.h>
4#include "internal.h"
5
6/*
7 * /proc/self:
8 */

--- 5 unchanged lines hidden (view full) ---

14 char tmp[PROC_NUMBUF];
15 if (!tgid)
16 return -ENOENT;
17 sprintf(tmp, "%d", tgid);
18 return readlink_copy(buffer, buflen, tmp);
19}
20
21static const char *proc_self_get_link(struct dentry *dentry,
22 struct inode *inode, void **cookie)
22 struct inode *inode,
23 struct delayed_call *done)
23{
24 struct pid_namespace *ns = inode->i_sb->s_fs_info;
25 pid_t tgid = task_tgid_nr_ns(current, ns);
26 char *name;
27
28 if (!tgid)
29 return ERR_PTR(-ENOENT);
30 /* 11 for max length of signed int in decimal + NULL term */
31 name = kmalloc(12, dentry ? GFP_KERNEL : GFP_ATOMIC);
32 if (unlikely(!name))
33 return dentry ? ERR_PTR(-ENOMEM) : ERR_PTR(-ECHILD);
34 sprintf(name, "%d", tgid);
24{
25 struct pid_namespace *ns = inode->i_sb->s_fs_info;
26 pid_t tgid = task_tgid_nr_ns(current, ns);
27 char *name;
28
29 if (!tgid)
30 return ERR_PTR(-ENOENT);
31 /* 11 for max length of signed int in decimal + NULL term */
32 name = kmalloc(12, dentry ? GFP_KERNEL : GFP_ATOMIC);
33 if (unlikely(!name))
34 return dentry ? ERR_PTR(-ENOMEM) : ERR_PTR(-ECHILD);
35 sprintf(name, "%d", tgid);
35 return *cookie = name;
36 set_delayed_call(done, kfree_link, name);
37 return name;
36}
37
38static const struct inode_operations proc_self_inode_operations = {
39 .readlink = proc_self_readlink,
40 .get_link = proc_self_get_link,
38}
39
40static const struct inode_operations proc_self_inode_operations = {
41 .readlink = proc_self_readlink,
42 .get_link = proc_self_get_link,
41 .put_link = kfree_put_link,
42};
43
44static unsigned self_inum;
45
46int proc_setup_self(struct super_block *s)
47{
48 struct inode *root_inode = d_inode(s->s_root);
49 struct pid_namespace *ns = s->s_fs_info;

--- 34 unchanged lines hidden --- 		43};
44
45static unsigned self_inum;
46
47int proc_setup_self(struct super_block *s)
48{
49 struct inode *root_inode = d_inode(s->s_root);
50 struct pid_namespace *ns = s->s_fs_info;

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