diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/net.h | 3 | ||||
| -rw-r--r-- | include/linux/socket.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/net.h b/include/linux/net.h index b42bb60fe92..4da9d571b05 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -199,6 +199,9 @@ struct proto_ops { struct pipe_inode_info *pipe, size_t len, unsigned int flags); }; +#define DECLARE_SOCKADDR(type, dst, src) \ + type dst = ({ __sockaddr_check_size(sizeof(*dst)); (type) src; }) + struct net_proto_family { int family; int (*create)(struct net *net, struct socket *sock, int protocol); diff --git a/include/linux/socket.h b/include/linux/socket.h index 59966f12990..7b3aae2052a 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -24,6 +24,9 @@ struct __kernel_sockaddr_storage { #include <linux/types.h> /* pid_t */ #include <linux/compiler.h> /* __user */ +#define __sockaddr_check_size(size) \ + BUILD_BUG_ON(((size) > sizeof(struct __kernel_sockaddr_storage))) + #ifdef __KERNEL__ # ifdef CONFIG_PROC_FS struct seq_file; |