ded4a2f1ae
Instead of open coding a __dynamic_array() with a fixed length (which defeats the purpose of the dynamic array in the first place). Use the new __vstring() helper that will use a va_list and only write enough of the string into the ring buffer that is needed. Link: https://lkml.kernel.org/r/20220705224751.271015450@goodmis.org Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Portions of this file
|
|
* Copyright (C) 2019 Intel Corporation
|
|
*/
|
|
|
|
#ifdef CONFIG_MAC80211_MESSAGE_TRACING
|
|
|
|
#if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define __MAC80211_MSG_DRIVER_TRACE
|
|
|
|
#include <linux/tracepoint.h>
|
|
#include <net/mac80211.h>
|
|
#include "ieee80211_i.h"
|
|
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM mac80211_msg
|
|
|
|
#define MAX_MSG_LEN 120
|
|
|
|
DECLARE_EVENT_CLASS(mac80211_msg_event,
|
|
TP_PROTO(struct va_format *vaf),
|
|
|
|
TP_ARGS(vaf),
|
|
|
|
TP_STRUCT__entry(
|
|
__vstring(msg, vaf->fmt, vaf->va)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__assign_vstr(msg, vaf->fmt, vaf->va);
|
|
),
|
|
|
|
TP_printk("%s", __get_str(msg))
|
|
);
|
|
|
|
DEFINE_EVENT(mac80211_msg_event, mac80211_info,
|
|
TP_PROTO(struct va_format *vaf),
|
|
TP_ARGS(vaf)
|
|
);
|
|
DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
|
|
TP_PROTO(struct va_format *vaf),
|
|
TP_ARGS(vaf)
|
|
);
|
|
DEFINE_EVENT(mac80211_msg_event, mac80211_err,
|
|
TP_PROTO(struct va_format *vaf),
|
|
TP_ARGS(vaf)
|
|
);
|
|
#endif /* !__MAC80211_MSG_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
|
|
|
|
#undef TRACE_INCLUDE_PATH
|
|
#define TRACE_INCLUDE_PATH .
|
|
#undef TRACE_INCLUDE_FILE
|
|
#define TRACE_INCLUDE_FILE trace_msg
|
|
#include <trace/define_trace.h>
|
|
|
|
#endif
|