[PATCH 1/2] cls_cgroup: remove task_struct parameter from sock_update_classid()

Li Zefan
2013-04-09T06:04:19Z

The callers always pass current to sock_update_classid().

Signed-off-by: Li Zefan <lizefan@huawei.com>
---
include/net/cls_cgroup.h | 4 ++--
net/core/scm.c | 2 +-
net/core/sock.c | 6 +++---
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h
index 2581638..0fee061 100644
--- a/include/net/cls_cgroup.h
+++ b/include/net/cls_cgroup.h
@@ -24,7 +24,7 @@ struct cgroup_cls_state
u32 classid;
};

-extern void sock_update_classid(struct sock *sk, struct task_struct *task);
+extern void sock_update_classid(struct sock *sk);

#if IS_BUILTIN(CONFIG_NET_CLS_CGROUP)
static inline u32 task_cls_classid(struct task_struct *p)
@@ -61,7 +61,7 @@ static inline u32 task_cls_classid(struct task_struct *p)
}
#endif
#else /* !CGROUP_NET_CLS_CGROUP */
-static inline void sock_update_classid(struct sock *sk, struct task_struct *task)
+static inline void sock_update_classid(struct sock *sk)
{
}

diff --git a/net/core/scm.c b/net/core/scm.c
index 2dc6cda..cb8d98c 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -307,7 +307,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
sock = sock_from_file(fp[i], &err);
if (sock) {
sock_update_netprioidx(sock->sk, current);
- sock_update_classid(sock->sk, current);
+ sock_update_classid(sock->sk);
}
fd_install(new_fd, get_file(fp[i]));
}
diff --git a/net/core/sock.c b/net/core/sock.c
index 2ff5f36..0e1d2fe 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1307,11 +1307,11 @@ static void sk_prot_free(struct proto *prot, struct sock *sk)
}

#if IS_ENABLED(CONFIG_NET_CLS_CGROUP)
-void sock_update_classid(struct sock *sk, struct task_struct *task)
+void sock_update_classid(struct sock *sk)
{
u32 classid;

- classid = task_cls_classid(task);
+ classid = task_cls_classid(current);
if (classid != sk->sk_classid)
sk->sk_classid = classid;
}
@@ -1353,7 +1353,7 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
sock_net_set(sk, get_net(net));
atomic_set(&sk->sk_wmem_alloc, 1);

- sock_update_classid(sk, current);
+ sock_update_classid(sk);
sock_update_netprioidx(sk, current);
}

--
1.8.0.2