rxrpc: Use call->peer rather than call->conn->params.peer

Use call->peer rather than call->conn->params.peer to avoid the possibility
of call->conn being NULL and, whilst we're at it, check it for NULL before we
access it.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2016-09-07 14:45:26 +01:00
commit f4fdb3525b