 26abe14379
			
		
	
	
	26abe14379
	
	
	
		
			
			Now that sk_alloc knows when a kernel socket is being allocated modify it to not reference count the network namespace of kernel sockets. Keep track of if a socket needs reference counting by adding a flag to struct sock called sk_net_refcnt. Update all of the callers of sock_create_kern to stop using sk_change_net and sk_release_kernel as those hacks are no longer needed, to avoid reference counting a kernel socket. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			47 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef _INET_COMMON_H
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| #define _INET_COMMON_H
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| 
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| extern const struct proto_ops inet_stream_ops;
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| extern const struct proto_ops inet_dgram_ops;
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| 
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| /*
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|  *	INET4 prototypes used by INET6
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|  */
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| 
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| struct msghdr;
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| struct sock;
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| struct sockaddr;
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| struct socket;
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| 
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| int inet_release(struct socket *sock);
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| int inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
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| 			int addr_len, int flags);
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| int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr,
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| 			  int addr_len, int flags);
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| int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr,
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| 		       int addr_len, int flags);
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| int inet_accept(struct socket *sock, struct socket *newsock, int flags);
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| int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
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| ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
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| 		      size_t size, int flags);
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| int inet_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
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| 		 int flags);
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| int inet_shutdown(struct socket *sock, int how);
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| int inet_listen(struct socket *sock, int backlog);
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| void inet_sock_destruct(struct sock *sk);
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| int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
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| int inet_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len,
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| 		 int peer);
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| int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
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| int inet_ctl_sock_create(struct sock **sk, unsigned short family,
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| 			 unsigned short type, unsigned char protocol,
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| 			 struct net *net);
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| int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
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| 		    int *addr_len);
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| 
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| static inline void inet_ctl_sock_destroy(struct sock *sk)
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| {
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| 	sock_release(sk->sk_socket);
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| }
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| 
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| #endif
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