cls_cgroup: remove task_struct parameter from sock_update_classid()

The callers always pass current to sock_update_classid().

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h
index 2581638..0fee061 100644 (file)
--- 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 83b2b38..c77b7c3 100644 (file)
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -291,7 +291,7 @@ 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 (file)
--- 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);
        }