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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/net-2.6: (27 commits)
  [INET]: Fix inet_diag dead-lock regression
  [NETNS]: Fix /proc/net breakage
  [TEXTSEARCH]: Do not allow zero length patterns in the textsearch infrastructure
  [NETFILTER]: fix forgotten module release in xt_CONNMARK and xt_CONNSECMARK
  [NETFILTER]: xt_TCPMSS: remove network triggerable WARN_ON
  [DECNET]: dn_nl_deladdr() almost always returns no error
  [IPV6]: Restore IPv6 when MTU is big enough
  [RXRPC]: Add missing select on CRYPTO
  mac80211: rate limit wep decrypt failed messages
  rfkill: fix double-mutex-locking
  mac80211: drop unencrypted frames if encryption is expected
  mac80211: Fix behavior of ieee80211_open and ieee80211_close
  ieee80211: fix unaligned access in ieee80211_copy_snap
  mac80211: free ifsta->extra_ie and clear IEEE80211_STA_PRIVACY_INVOKED
  SCTP: Fix build issues with SCTP AUTH.
  SCTP: Fix chunk acceptance when no authenticated chunks were listed.
  SCTP: Fix the supported extensions paramter
  SCTP: Fix SCTP-AUTH to correctly add HMACS paramter.
  SCTP: Fix the number of HB transmissions.
  [TCP] illinois: Incorrect beta usage
  ...
This commit is contained in:
Linus Torvalds 2007-12-03 08:15:36 -08:00
commit 8002cedc1a
29 changed files with 160 additions and 177 deletions
Download patch file Download diff file Expand all files Collapse all files

12
fs/proc/generic.c
View file

@ -374,9 +374,16 @@ static int proc_delete_dentry(struct dentry * dentry)
return 1;
}
static int proc_revalidate_dentry(struct dentry *dentry, struct nameidata *nd)
{
d_drop(dentry);
return 0;
}
static struct dentry_operations proc_dentry_operations =
{
.d_delete = proc_delete_dentry,
.d_revalidate = proc_revalidate_dentry,
};
/*
@ -397,8 +404,11 @@ struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nam
if (de->namelen != dentry->d_name.len)
continue;
if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
unsigned int ino = de->low_ino;
unsigned int ino;
if (de->shadow_proc)
de = de->shadow_proc(current, de);
ino = de->low_ino;
de_get(de);
spin_unlock(&proc_subdir_lock);
error = -EINVAL;

86
fs/proc/proc_net.c
View file

@ -50,89 +50,14 @@ struct net *get_proc_net(const struct inode *inode)
}
EXPORT_SYMBOL_GPL(get_proc_net);
static struct proc_dir_entry *proc_net_shadow;
static struct proc_dir_entry *shadow_pde;
static struct dentry *proc_net_shadow_dentry(struct dentry *parent,
static struct proc_dir_entry *proc_net_shadow(struct task_struct *task,
struct proc_dir_entry *de)
{
struct dentry *shadow = NULL;
struct inode *inode;
if (!de)
goto out;
de_get(de);
inode = proc_get_inode(parent->d_inode->i_sb, de->low_ino, de);
if (!inode)
goto out_de_put;
shadow = d_alloc_name(parent, de->name);
if (!shadow)
goto out_iput;
shadow->d_op = parent->d_op; /* proc_dentry_operations */
d_instantiate(shadow, inode);
out:
return shadow;
out_iput:
iput(inode);
out_de_put:
de_put(de);
goto out;
return task->nsproxy->net_ns->proc_net;
}
static void *proc_net_follow_link(struct dentry *parent, struct nameidata *nd)
{
struct net *net = current->nsproxy->net_ns;
struct dentry *shadow;
shadow = proc_net_shadow_dentry(parent, net->proc_net);
if (!shadow)
return ERR_PTR(-ENOENT);
dput(nd->dentry);
/* My dentry count is 1 and that should be enough as the
* shadow dentry is thrown away immediately.
*/
nd->dentry = shadow;
return NULL;
}
static struct dentry *proc_net_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
struct net *net = current->nsproxy->net_ns;
struct dentry *shadow;
shadow = proc_net_shadow_dentry(nd->dentry, net->proc_net);
if (!shadow)
return ERR_PTR(-ENOENT);
dput(nd->dentry);
nd->dentry = shadow;
return shadow->d_inode->i_op->lookup(shadow->d_inode, dentry, nd);
}
static int proc_net_setattr(struct dentry *dentry, struct iattr *iattr)
{
struct net *net = current->nsproxy->net_ns;
struct dentry *shadow;
int ret;
shadow = proc_net_shadow_dentry(dentry->d_parent, net->proc_net);
if (!shadow)
return -ENOENT;
ret = shadow->d_inode->i_op->setattr(shadow, iattr);
dput(shadow);
return ret;
}
static const struct file_operations proc_net_dir_operations = {
.read = generic_read_dir,
};
static struct inode_operations proc_net_dir_inode_operations = {
.follow_link = proc_net_follow_link,
.lookup = proc_net_lookup,
.setattr = proc_net_setattr,
};
static __net_init int proc_net_ns_init(struct net *net)
{
struct proc_dir_entry *root, *netd, *net_statd;
@ -185,9 +110,8 @@ static struct pernet_operations __net_initdata proc_net_ns_ops = {
int __init proc_net_init(void)
{
proc_net_shadow = proc_mkdir("net", NULL);
proc_net_shadow->proc_iops = &proc_net_dir_inode_operations;
proc_net_shadow->proc_fops = &proc_net_dir_operations;
shadow_pde = proc_mkdir("net", NULL);
shadow_pde->shadow_proc = proc_net_shadow;
return register_pernet_subsys(&proc_net_ns_ops);
}