rxrpc: Fix trace string

commit aadf9dcef9d4cd68c73a4ab934f93319c4becc47 upstream.

The trace symbol printer (__print_symbolic()) ignores symbols that map to
an empty string and prints the hex value instead.

Fix the symbol for rxrpc_cong_no_change to " -" instead of "" to avoid
this.

Fixes: b54a134a7de4 ("rxrpc: Fix handling of enums-to-string translation in tracing")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index a58caf5807ffc5ae7180e9c0c7ab41dc1f4404d4..de3a1effbcbd5626ffc6560a83d6397ba1226b1e 100644 (file)
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -333,7 +333,7 @@ enum rxrpc_congest_change {
        EM(rxrpc_cong_begin_retransmission,     " Retrans") \
        EM(rxrpc_cong_cleared_nacks,            " Cleared") \
        EM(rxrpc_cong_new_low_nack,             " NewLowN") \
-       EM(rxrpc_cong_no_change,                "") \
+       EM(rxrpc_cong_no_change,                " -") \
        EM(rxrpc_cong_progress,                 " Progres") \
        EM(rxrpc_cong_retransmit_again,         " ReTxAgn") \
        EM(rxrpc_cong_rtt_window_end,           " RttWinE") \