From: Joe Perches on
Save a few bytes of text

(allyesconfig)
$ size drivers/net/wireless/built-in.o*
text data bss dec hex filename
3924568 100548 871056 4896172 4ab5ac drivers/net/wireless/built-in.o.new
3926520 100548 871464 4898532 4abee4 drivers/net/wireless/built-in.o.old

$ size net/wireless/core.o*
text data bss dec hex filename
12843 216 3768 16827 41bb net/wireless/core.o.new
12328 216 3656 16200 3f48 net/wireless/core.o

Signed-off-by: Joe Perches <joe(a)perches.com>
---
include/net/cfg80211.h | 5 ++-
net/wireless/core.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7fe774c..ae80f8f 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2442,8 +2442,9 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev,
wiphy_printk(KERN_NOTICE, wiphy, format, ##args)
#define wiphy_info(wiphy, format, args...) \
wiphy_printk(KERN_INFO, wiphy, format, ##args)
-#define wiphy_debug(wiphy, format, args...) \
- wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
+
+int wiphy_debug(const struct wiphy *wiphy, const char *format, ...)
+ __attribute__ ((format (printf, 2, 3)));

#if defined(DEBUG)
#define wiphy_dbg(wiphy, format, args...) \
diff --git a/net/wireless/core.c b/net/wireless/core.c
index f65c649..1f9de8a 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -907,3 +907,56 @@ static void __exit cfg80211_exit(void)
destroy_workqueue(cfg80211_wq);
}
module_exit(cfg80211_exit);
+
+#ifdef __KERNEL__
+
+static int ___wiphy_printk(const char *level, const struct wiphy *wiphy,
+ struct va_format *vaf)
+{
+ if (!wiphy)
+ return printk("%s(NULL wiphy *): %pV", level, vaf);
+
+ return printk("%s%s: %pV", level, wiphy_name(wiphy), vaf);
+}
+
+int __wiphy_printk(const char *level, const struct wiphy *wiphy,
+ const char *fmt, ...)
+{
+ struct va_format vaf;
+ va_list args;
+ int r;
+
+ va_start(args, fmt);
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ r = ___wiphy_printk(level, wiphy, &vaf);
+ va_end(args);
+
+ return r;
+}
+EXPORT_SYMBOL(__wiphy_printk);
+
+#define define_wiphy_printk_level(func, kern_level) \
+int func(const struct wiphy *wiphy, const char *fmt, ...) \
+{ \
+ struct va_format vaf; \
+ va_list args; \
+ int r; \
+ \
+ va_start(args, fmt); \
+ \
+ vaf.fmt = fmt; \
+ vaf.va = &args; \
+ \
+ r = ___wiphy_printk(kern_level, wiphy, &vaf); \
+ va_end(args); \
+ \
+ return r; \
+} \
+EXPORT_SYMBOL(func);
+
+define_wiphy_printk_level(wiphy_debug, KERN_DEBUG);
+
+#endif
--
1.7.1

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