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-rw-r--r--net/socket.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c
index 4d38d49d6ad9..532f123e0459 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -128,6 +128,7 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
struct pipe_inode_info *pipe, size_t len,
unsigned int flags);
+static void sock_show_fdinfo(struct seq_file *m, struct file *f);
/*
* Socket files have a set of 'special' operations as well as the generic file ones. These don't appear
@@ -150,6 +151,9 @@ static const struct file_operations socket_file_ops = {
.sendpage = sock_sendpage,
.splice_write = generic_splice_sendpage,
.splice_read = sock_splice_read,
+#ifdef CONFIG_PROC_FS
+ .show_fdinfo = sock_show_fdinfo,
+#endif
};
/*
@@ -993,6 +997,14 @@ static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from)
return res;
}
+static void sock_show_fdinfo(struct seq_file *m, struct file *f)
+{
+ struct socket *sock = f->private_data;
+
+ if (sock->ops->show_fdinfo)
+ sock->ops->show_fdinfo(m, sock);
+}
+
/*
* Atomic setting of ioctl hooks to avoid race
* with module unload.