9a6d45700a
[ Upstream commit c479d5f2c2e1ce609da08c075054440d97ddff52 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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