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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 13:36:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 13:36:41 -0700
commite2a0883e4071237d09b604a342c28b96b44a04b3 (patch)
treeaa56f4d376b5eb1c32358c19c2669c2a94e0e1fd /net/unix/af_unix.c
parent3a990a52f9f25f45469e272017a31e7a3fda60ed (diff)
parent07c0c5d8b8c122b2f2df9ee574ac3083daefc981 (diff)
downloadop-kernel-dev-e2a0883e4071237d09b604a342c28b96b44a04b3.zip
op-kernel-dev-e2a0883e4071237d09b604a342c28b96b44a04b3.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs pile 1 from Al Viro: "This is _not_ all; in particular, Miklos' and Jan's stuff is not there yet." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits) ext4: initialization of ext4_li_mtx needs to be done earlier debugfs-related mode_t whack-a-mole hfsplus: add an ioctl to bless files hfsplus: change finder_info to u32 hfsplus: initialise userflags qnx4: new helper - try_extent() qnx4: get rid of qnx4_bread/qnx4_getblk take removal of PF_FORKNOEXEC to flush_old_exec() trim includes in inode.c um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it um: embed ->stub_pages[] into mmu_context gadgetfs: list_for_each_safe() misuse ocfs2: fix leaks on failure exits in module_init ecryptfs: make register_filesystem() the last potential failure exit ntfs: forgets to unregister sysctls on register_filesystem() failure logfs: missing cleanup on register_filesystem() failure jfs: mising cleanup on register_filesystem() failure make configfs_pin_fs() return root dentry on success configfs: configfs_create_dir() has parent dentry in dentry->d_parent configfs: sanitize configfs_create() ...
Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c37
1 files changed, 16 insertions, 21 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 8ee85aa..eb4277c 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -293,7 +293,7 @@ static struct sock *unix_find_socket_byinode(struct inode *i)
spin_lock(&unix_table_lock);
sk_for_each(s, node,
&unix_socket_table[i->i_ino & (UNIX_HASH_SIZE - 1)]) {
- struct dentry *dentry = unix_sk(s)->dentry;
+ struct dentry *dentry = unix_sk(s)->path.dentry;
if (dentry && dentry->d_inode == i) {
sock_hold(s);
@@ -377,8 +377,7 @@ static void unix_sock_destructor(struct sock *sk)
static int unix_release_sock(struct sock *sk, int embrion)
{
struct unix_sock *u = unix_sk(sk);
- struct dentry *dentry;
- struct vfsmount *mnt;
+ struct path path;
struct sock *skpair;
struct sk_buff *skb;
int state;
@@ -389,10 +388,9 @@ static int unix_release_sock(struct sock *sk, int embrion)
unix_state_lock(sk);
sock_orphan(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
- dentry = u->dentry;
- u->dentry = NULL;
- mnt = u->mnt;
- u->mnt = NULL;
+ path = u->path;
+ u->path.dentry = NULL;
+ u->path.mnt = NULL;
state = sk->sk_state;
sk->sk_state = TCP_CLOSE;
unix_state_unlock(sk);
@@ -425,10 +423,8 @@ static int unix_release_sock(struct sock *sk, int embrion)
kfree_skb(skb);
}
- if (dentry) {
- dput(dentry);
- mntput(mnt);
- }
+ if (path.dentry)
+ path_put(&path);
sock_put(sk);
@@ -641,8 +637,8 @@ static struct sock *unix_create1(struct net *net, struct socket *sock)
sk->sk_max_ack_backlog = net->unx.sysctl_max_dgram_qlen;
sk->sk_destruct = unix_sock_destructor;
u = unix_sk(sk);
- u->dentry = NULL;
- u->mnt = NULL;
+ u->path.dentry = NULL;
+ u->path.mnt = NULL;
spin_lock_init(&u->lock);
atomic_long_set(&u->inflight, 0);
INIT_LIST_HEAD(&u->link);
@@ -788,7 +784,7 @@ static struct sock *unix_find_other(struct net *net,
goto put_fail;
if (u->sk_type == type)
- touch_atime(path.mnt, path.dentry);
+ touch_atime(&path);
path_put(&path);
@@ -802,9 +798,9 @@ static struct sock *unix_find_other(struct net *net,
u = unix_find_socket_byname(net, sunname, len, type, hash);
if (u) {
struct dentry *dentry;
- dentry = unix_sk(u)->dentry;
+ dentry = unix_sk(u)->path.dentry;
if (dentry)
- touch_atime(unix_sk(u)->mnt, dentry);
+ touch_atime(&unix_sk(u)->path);
} else
goto fail;
}
@@ -910,8 +906,7 @@ out_mknod_drop_write:
list = &unix_socket_table[addr->hash];
} else {
list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
- u->dentry = path.dentry;
- u->mnt = path.mnt;
+ u->path = path;
}
err = 0;
@@ -1193,9 +1188,9 @@ restart:
atomic_inc(&otheru->addr->refcnt);
newu->addr = otheru->addr;
}
- if (otheru->dentry) {
- newu->dentry = dget(otheru->dentry);
- newu->mnt = mntget(otheru->mnt);
+ if (otheru->path.dentry) {
+ path_get(&otheru->path);
+ newu->path = otheru->path;
}
/* Set credentials */
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