Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:48071 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751083AbaK0Hy3 (ORCPT ); Thu, 27 Nov 2014 02:54:29 -0500 Received: by mail-wi0-f178.google.com with SMTP id hi2so7380365wib.11 for ; Wed, 26 Nov 2014 23:54:28 -0800 (PST) From: Michal Kazior To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Michal Kazior Subject: [PATCH] ath10k: add pointer constness to traces Date: Thu, 27 Nov 2014 08:42:11 +0100 Message-Id: <1417074131-18460-1-git-send-email-michal.kazior@tieto.com> (sfid-20141127_085433_380924_D0E27FB7) Sender: linux-wireless-owner@vger.kernel.org List-ID: Traces shouldn't modified passed data. This will make it possible to pass const arguments to traces. Signed-off-by: Michal Kazior --- drivers/net/wireless/ath/ath10k/trace.h | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h index ceea566..b289378 100644 --- a/drivers/net/wireless/ath/ath10k/trace.h +++ b/drivers/net/wireless/ath/ath10k/trace.h @@ -21,9 +21,11 @@ #include "core.h" #if !defined(_TRACE_H_) -static inline u32 ath10k_frm_hdr_len(void *buf) +static inline u32 ath10k_frm_hdr_len(const void *buf) { - return ieee80211_hdrlen(((struct ieee80211_hdr *)buf)->frame_control); + const struct ieee80211_hdr *hdr = buf; + + return ieee80211_hdrlen(hdr->frame_control); } #endif @@ -145,7 +147,8 @@ TRACE_EVENT(ath10k_log_dbg_dump, ); TRACE_EVENT(ath10k_wmi_cmd, - TP_PROTO(struct ath10k *ar, int id, void *buf, size_t buf_len, int ret), + TP_PROTO(struct ath10k *ar, int id, const void *buf, size_t buf_len, + int ret), TP_ARGS(ar, id, buf, buf_len, ret), @@ -178,7 +181,7 @@ TRACE_EVENT(ath10k_wmi_cmd, ); TRACE_EVENT(ath10k_wmi_event, - TP_PROTO(struct ath10k *ar, int id, void *buf, size_t buf_len), + TP_PROTO(struct ath10k *ar, int id, const void *buf, size_t buf_len), TP_ARGS(ar, id, buf, buf_len), @@ -208,7 +211,7 @@ TRACE_EVENT(ath10k_wmi_event, ); TRACE_EVENT(ath10k_htt_stats, - TP_PROTO(struct ath10k *ar, void *buf, size_t buf_len), + TP_PROTO(struct ath10k *ar, const void *buf, size_t buf_len), TP_ARGS(ar, buf, buf_len), @@ -235,7 +238,7 @@ TRACE_EVENT(ath10k_htt_stats, ); TRACE_EVENT(ath10k_wmi_dbglog, - TP_PROTO(struct ath10k *ar, void *buf, size_t buf_len), + TP_PROTO(struct ath10k *ar, const void *buf, size_t buf_len), TP_ARGS(ar, buf, buf_len), @@ -262,7 +265,7 @@ TRACE_EVENT(ath10k_wmi_dbglog, ); TRACE_EVENT(ath10k_htt_pktlog, - TP_PROTO(struct ath10k *ar, void *buf, u16 buf_len), + TP_PROTO(struct ath10k *ar, const void *buf, u16 buf_len), TP_ARGS(ar, buf, buf_len), @@ -349,7 +352,7 @@ TRACE_EVENT(ath10k_txrx_tx_unref, ); DECLARE_EVENT_CLASS(ath10k_hdr_event, - TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_PROTO(struct ath10k *ar, const void *data, size_t len), TP_ARGS(ar, data, len), @@ -376,7 +379,7 @@ DECLARE_EVENT_CLASS(ath10k_hdr_event, ); DECLARE_EVENT_CLASS(ath10k_payload_event, - TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_PROTO(struct ath10k *ar, const void *data, size_t len), TP_ARGS(ar, data, len), @@ -404,27 +407,27 @@ DECLARE_EVENT_CLASS(ath10k_payload_event, ); DEFINE_EVENT(ath10k_hdr_event, ath10k_tx_hdr, - TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_PROTO(struct ath10k *ar, const void *data, size_t len), TP_ARGS(ar, data, len) ); DEFINE_EVENT(ath10k_payload_event, ath10k_tx_payload, - TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_PROTO(struct ath10k *ar, const void *data, size_t len), TP_ARGS(ar, data, len) ); DEFINE_EVENT(ath10k_hdr_event, ath10k_rx_hdr, - TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_PROTO(struct ath10k *ar, const void *data, size_t len), TP_ARGS(ar, data, len) ); DEFINE_EVENT(ath10k_payload_event, ath10k_rx_payload, - TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_PROTO(struct ath10k *ar, const void *data, size_t len), TP_ARGS(ar, data, len) ); TRACE_EVENT(ath10k_htt_rx_desc, - TP_PROTO(struct ath10k *ar, void *data, size_t len), + TP_PROTO(struct ath10k *ar, const void *data, size_t len), TP_ARGS(ar, data, len), -- 1.8.5.3