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path: root/package/kernel/mac80211/patches/319-0005-brcmfmac-switch-to-C-function-__brcmf_err-for-printi.patch
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From 087fa712a00685dac4bcc64b7c3dc8ae6bee8026 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Thu, 2 Feb 2017 22:33:14 +0100
Subject: [PATCH] brcmfmac: switch to C function (__brcmf_err) for printing
 errors
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This will allow extending code and using more detailed messages e.g.
with the help of dev_err.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
 .../net/wireless/broadcom/brcm80211/brcmfmac/common.c    | 16 ++++++++++++++++
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h |  6 +++---
 2 files changed, 19 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
@@ -218,6 +218,22 @@ done:
 	return err;
 }
 
+#ifndef CPTCFG_BRCM_TRACING
+void __brcmf_err(const char *func, const char *fmt, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, fmt);
+
+	vaf.fmt = fmt;
+	vaf.va = &args;
+	pr_err("%s: %pV", func, &vaf);
+
+	va_end(args);
+}
+#endif
+
 #if defined(CPTCFG_BRCM_TRACING) || defined(CPTCFG_BRCMDBG)
 void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...)
 {
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h
@@ -45,6 +45,8 @@
 #undef pr_fmt
 #define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
 
+__printf(2, 3)
+void __brcmf_err(const char *func, const char *fmt, ...);
 #ifndef CPTCFG_BRCM_TRACING
 /* Macro for error messages. net_ratelimit() is used when driver
  * debugging is not selected. When debugging the driver error
@@ -53,11 +55,9 @@
 #define brcmf_err(fmt, ...)						\
 	do {								\
 		if (IS_ENABLED(CPTCFG_BRCMDBG) || net_ratelimit())	\
-			pr_err("%s: " fmt, __func__, ##__VA_ARGS__);	\
+			__brcmf_err(__func__, fmt, ##__VA_ARGS__);	\
 	} while (0)
 #else
-__printf(2, 3)
-void __brcmf_err(const char *func, const char *fmt, ...);
 #define brcmf_err(fmt, ...) \
 	__brcmf_err(__func__, fmt, ##__VA_ARGS__)
 #endif