diff options
| -rw-r--r-- | include/net/af_unix.h | 3 | ||||
| -rw-r--r-- | net/unix/af_unix.c | 35 | ||||
| -rw-r--r-- | net/unix/diag.c | 2 | ||||
| -rw-r--r-- | security/lsm_audit.c | 8 |
4 files changed, 19 insertions, 29 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 5a4e29b..ca68e2c 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -49,8 +49,7 @@ struct unix_sock { /* WARNING: sk has to be the first member */ struct sock sk; struct unix_address *addr; - struct dentry *dentry; - struct vfsmount *mnt; + struct path path; struct mutex readlock; struct sock *peer; struct sock *other; diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 85d3bb7..ef4b780e 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); @@ -628,8 +624,8 @@ 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); @@ -789,9 +785,9 @@ 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.mnt, dentry); } else goto fail; } @@ -897,8 +893,7 @@ 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; @@ -1180,9 +1175,9 @@ 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 */ diff --git a/net/unix/diag.c b/net/unix/diag.c index 6b7697fd..ffd8651 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -29,7 +29,7 @@ rtattr_failure: static int sk_diag_dump_vfs(struct sock *sk, struct sk_buff *nlskb) { - struct dentry *dentry = unix_sk(sk)->dentry; + struct dentry *dentry = unix_sk(sk)->path.dentry; struct unix_diag_vfs *uv; if (dentry) { diff --git a/security/lsm_audit.c b/security/lsm_audit.c index 293b8c4..8b8f090 100644 --- a/security/lsm_audit.c +++ b/security/lsm_audit.c @@ -313,12 +313,8 @@ static void dump_common_audit_data(struct audit_buffer *ab, } case AF_UNIX: u = unix_sk(sk); - if (u->dentry) { - struct path path = { - .dentry = u->dentry, - .mnt = u->mnt - }; - audit_log_d_path(ab, " path=", &path); + if (u->path.dentry) { + audit_log_d_path(ab, " path=", &u->path); break; } if (!u->addr) |
