summaryrefslogtreecommitdiff
path: root/fs/proc/base.c
diff options
context:
space:
mode:
authorJ. Bruce Fields <bfields@citi.umich.edu>2010-03-04 12:03:16 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2010-03-04 12:04:51 -0500
commit4ea41e2de5bba756858bb40f964e3490b6d1a25c (patch)
tree51a688be321dd42f80d8a0c966eb6a60408d50b3 /fs/proc/base.c
parent8d75da8afd068fa58b35e69c7c8c46770d9e7a98 (diff)
parent398007f863a4af2b4a5a07219c5a617f1a098115 (diff)
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs into for-2.6.34-incoming
Resolve merge conflict in fs/xfs/linux-2.6/xfs_export.c.
Diffstat (limited to 'fs/proc/base.c')
-rw-r--r--fs/proc/base.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 18d5cc62d8ed..58324c299165 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1419,7 +1419,6 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd)
goto out;
error = PROC_I(inode)->op.proc_get_link(inode, &nd->path);
- nd->last_type = LAST_BIND;
out:
return ERR_PTR(error);
}
@@ -2370,16 +2369,30 @@ static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd)
{
struct pid_namespace *ns = dentry->d_sb->s_fs_info;
pid_t tgid = task_tgid_nr_ns(current, ns);
- char tmp[PROC_NUMBUF];
- if (!tgid)
- return ERR_PTR(-ENOENT);
- sprintf(tmp, "%d", task_tgid_nr_ns(current, ns));
- return ERR_PTR(vfs_follow_link(nd,tmp));
+ char *name = ERR_PTR(-ENOENT);
+ if (tgid) {
+ name = __getname();
+ if (!name)
+ name = ERR_PTR(-ENOMEM);
+ else
+ sprintf(name, "%d", tgid);
+ }
+ nd_set_link(nd, name);
+ return NULL;
+}
+
+static void proc_self_put_link(struct dentry *dentry, struct nameidata *nd,
+ void *cookie)
+{
+ char *s = nd_get_link(nd);
+ if (!IS_ERR(s))
+ __putname(s);
}
static const struct inode_operations proc_self_inode_operations = {
.readlink = proc_self_readlink,
.follow_link = proc_self_follow_link,
+ .put_link = proc_self_put_link,
};
/*