From: Tim Smith <tim@electronghost.co.uk>
Date: Fri, 7 Feb 2014 18:58:43 +0000 (+0000)
Subject: af_rxrpc: Remove incorrect checksum calculation from rxrpc_recvmsg()
X-Git-Tag: v3.15-rc1~113^2~209^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8961749e5f498d91ded20dc797bb77aa366bca2e;p=pandora-kernel.git

af_rxrpc: Remove incorrect checksum calculation from rxrpc_recvmsg()

The UDP checksum was already verified in rxrpc_data_ready() - which calls
skb_checksum_complete() - as the RxRPC packet header contains no checksum of
its own.  Subsequent calls to skb_copy_and_csum_datagram_iovec() are thus
redundant and are, in any case, being passed only a subset of the UDP payload -
so the checksum will always fail if that path is taken.

So there is no need to check skb->ip_summed in rxrpc_recvmsg(), and no need for
the csum_copy_error: exit path.

Signed-off-by: Tim Smith <tim@electronghost.co.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
---

Reading git-diff-tree failed