Commit 95506588 authored Nov 16, 2018 by Slavomir Kaslev Committed by David S. Miller Nov 17, 2018

socket: do a generic_file_splice_read when proto_ops has no splice_read



splice(2) fails with -EINVAL when called reading on a socket with no splice_read
set in its proto_ops (such as vsock sockets). Switch this to fallbacks to a
generic_file_splice_read instead.

Signed-off-by: Slavomir Kaslev <kaslevs@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent df5a8ec6

net/socket.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -853,7 +853,7 @@ static ssize_t sock_splice_read(struct file file, loff_t ppos,
		struct socket *sock = file->private_data;

		if (unlikely(!sock->ops->splice_read))
		return -EINVAL;
		return generic_file_splice_read(file, ppos, pipe, len, flags);

		return sock->ops->splice_read(sock, ppos, pipe, len, flags);
		}