commit c479d5f2c2e1ce609da08c075054440d97ddff52
author David Howells <dhowells@redhat.com> Mon Oct 08 15:46:01 2018 +0100
committer David Howells <dhowells@redhat.com> Mon Oct 08 15:55:20 2018 +0100
tree b51690957e1c646c7b9286dc085d85ceb4728e60
parent bfd2821117a751763718f1b5e57216c0d9b19a49

rxrpc: Don't check RXRPC_CALL_TX_LAST after calling rxrpc_rotate_tx_window()

We should only call the function to end a call's Tx phase if we rotated the
marked-last packet out of the transmission buffer.

Make rxrpc_rotate_tx_window() return an indication of whether it just
rotated the packet marked as the last out of the transmit buffer, carrying
the information out of the locked section in that function.

We can then check the return value instead of examining RXRPC_CALL_TX_LAST.

Fixes: 70790dbe3f66 ("rxrpc: Pass the last Tx packet marker in the annotation buffer")
Signed-off-by: David Howells <dhowells@redhat.com>