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Commit d1f1052c authored by Joe Perches's avatar Joe Perches Committed by Greg Kroah-Hartman
Browse files

device: Change dev_<level> logging functions to return void 



No caller or macro uses the return value so make all
the functions return void.

Compiled x86 allyesconfig and defconfig w/o CONFIG_PRINTK

Signed-off-by: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a2a15d54

drivers/base/core.c

+11 −18
Original line number Original line Diff line number Diff line
@@ -2080,54 +2080,47 @@ int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...) 
}

}

EXPORT_SYMBOL(dev_printk_emit);

EXPORT_SYMBOL(dev_printk_emit);





static int __dev_printk(const char *level, const struct device *dev,

static void __dev_printk(const char *level, const struct device *dev,

			struct va_format *vaf)

			struct va_format *vaf)

{

{

	if (!dev)

	if (dev)

		return printk("%s(NULL device *): %pV", level, vaf);

		dev_printk_emit(level[1] - '0', dev, "%s %s: %pV",



	return dev_printk_emit(level[1] - '0', dev,

			       "%s %s: %pV",

				dev_driver_string(dev), dev_name(dev), vaf);

				dev_driver_string(dev), dev_name(dev), vaf);

	else

		printk("%s(NULL device *): %pV", level, vaf);

}

}





int dev_printk(const char *level, const struct device *dev,

void dev_printk(const char *level, const struct device *dev,

		const char *fmt, ...)

		const char *fmt, ...)

{

{

	struct va_format vaf;

	struct va_format vaf;

	va_list args;

	va_list args;

	int r;





	va_start(args, fmt);

	va_start(args, fmt);





	vaf.fmt = fmt;

	vaf.fmt = fmt;

	vaf.va = &args;

	vaf.va = &args;





	r = __dev_printk(level, dev, &vaf);

	__dev_printk(level, dev, &vaf);





	va_end(args);

	va_end(args);



	return r;

}

}

EXPORT_SYMBOL(dev_printk);

EXPORT_SYMBOL(dev_printk);





#define define_dev_printk_level(func, kern_level)		\

#define define_dev_printk_level(func, kern_level)		\

int func(const struct device *dev, const char *fmt, ...)	\

void func(const struct device *dev, const char *fmt, ...)	\

{								\

{								\

	struct va_format vaf;					\

	struct va_format vaf;					\

	va_list args;						\

	va_list args;						\

	int r;							\

								\

								\

	va_start(args, fmt);					\

	va_start(args, fmt);					\

								\

								\

	vaf.fmt = fmt;						\

	vaf.fmt = fmt;						\

	vaf.va = &args;						\

	vaf.va = &args;						\

								\

								\

	r = __dev_printk(kern_level, dev, &vaf);		\

	__dev_printk(kern_level, dev, &vaf);			\

								\

								\

	va_end(args);						\

	va_end(args);						\

								\

	return r;						\

}								\

}								\

EXPORT_SYMBOL(func);

EXPORT_SYMBOL(func);

include/linux/device.h

+29 −31
Original line number Original line Diff line number Diff line
@@ -1038,22 +1038,22 @@ extern __printf(3, 4) 
int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...);

int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...);





extern __printf(3, 4)

extern __printf(3, 4)

int dev_printk(const char *level, const struct device *dev,

void dev_printk(const char *level, const struct device *dev,

		const char *fmt, ...);

		const char *fmt, ...);

extern __printf(2, 3)

extern __printf(2, 3)

int dev_emerg(const struct device *dev, const char *fmt, ...);

void dev_emerg(const struct device *dev, const char *fmt, ...);

extern __printf(2, 3)

extern __printf(2, 3)

int dev_alert(const struct device *dev, const char *fmt, ...);

void dev_alert(const struct device *dev, const char *fmt, ...);

extern __printf(2, 3)

extern __printf(2, 3)

int dev_crit(const struct device *dev, const char *fmt, ...);

void dev_crit(const struct device *dev, const char *fmt, ...);

extern __printf(2, 3)

extern __printf(2, 3)

int dev_err(const struct device *dev, const char *fmt, ...);

void dev_err(const struct device *dev, const char *fmt, ...);

extern __printf(2, 3)

extern __printf(2, 3)

int dev_warn(const struct device *dev, const char *fmt, ...);

void dev_warn(const struct device *dev, const char *fmt, ...);

extern __printf(2, 3)

extern __printf(2, 3)

int dev_notice(const struct device *dev, const char *fmt, ...);

void dev_notice(const struct device *dev, const char *fmt, ...);

extern __printf(2, 3)

extern __printf(2, 3)

int _dev_info(const struct device *dev, const char *fmt, ...);

void _dev_info(const struct device *dev, const char *fmt, ...);





#else

#else
@@ -1065,35 +1065,35 @@ static inline __printf(3, 4) 
int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...)

int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...)

{ return 0; }

{ return 0; }





static inline int __dev_printk(const char *level, const struct device *dev,

static inline void __dev_printk(const char *level, const struct device *dev,

				struct va_format *vaf)

				struct va_format *vaf)

{ return 0; }

{}

static inline __printf(3, 4)

static inline __printf(3, 4)

int dev_printk(const char *level, const struct device *dev,

void dev_printk(const char *level, const struct device *dev,

		const char *fmt, ...)

		const char *fmt, ...)

{ return 0; }

{}





static inline __printf(2, 3)

static inline __printf(2, 3)

int dev_emerg(const struct device *dev, const char *fmt, ...)

void dev_emerg(const struct device *dev, const char *fmt, ...)

{ return 0; }

{}

static inline __printf(2, 3)

static inline __printf(2, 3)

int dev_crit(const struct device *dev, const char *fmt, ...)

void dev_crit(const struct device *dev, const char *fmt, ...)

{ return 0; }

{}

static inline __printf(2, 3)

static inline __printf(2, 3)

int dev_alert(const struct device *dev, const char *fmt, ...)

void dev_alert(const struct device *dev, const char *fmt, ...)

{ return 0; }

{}

static inline __printf(2, 3)

static inline __printf(2, 3)

int dev_err(const struct device *dev, const char *fmt, ...)

void dev_err(const struct device *dev, const char *fmt, ...)

{ return 0; }

{}

static inline __printf(2, 3)

static inline __printf(2, 3)

int dev_warn(const struct device *dev, const char *fmt, ...)

void dev_warn(const struct device *dev, const char *fmt, ...)

{ return 0; }

{}

static inline __printf(2, 3)

static inline __printf(2, 3)

int dev_notice(const struct device *dev, const char *fmt, ...)

void dev_notice(const struct device *dev, const char *fmt, ...)

{ return 0; }

{}

static inline __printf(2, 3)

static inline __printf(2, 3)

int _dev_info(const struct device *dev, const char *fmt, ...)

void _dev_info(const struct device *dev, const char *fmt, ...)

{ return 0; }

{}





#endif

#endif
@@ -1119,7 +1119,6 @@ do { \ 
({								\

({								\

	if (0)							\

	if (0)							\

		dev_printk(KERN_DEBUG, dev, format, ##arg);	\

		dev_printk(KERN_DEBUG, dev, format, ##arg);	\

	0;							\

})

})

#endif

#endif
@@ -1215,7 +1214,6 @@ do { \ 
({								\

({								\

	if (0)							\

	if (0)							\

		dev_printk(KERN_DEBUG, dev, format, ##arg);	\

		dev_printk(KERN_DEBUG, dev, format, ##arg);	\

	0;							\

})

})

#endif

#endif