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printk: Make printk_emit() local function.

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printk_emit() is called from only devkmsg_write() in the same file.
Save object size by making it a local function.

Link: http://lkml.kernel.org/r/5cc99d2c-c408-34f7-d1fc-e1cd2a9e31da@i-love.sakura.ne.jp
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Tetsuo Handa 2018-11-24 13:10:25 +09:00 committed by Petr Mladek
parent c7c3f05e34
commit 9adcfaffc3
2 changed files with 14 additions and 21 deletions
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5
include/linux/printk.h
View File

@ -166,11 +166,6 @@ int vprintk_emit(int facility, int level,
asmlinkage __printf(1, 0)
int vprintk(const char *fmt, va_list args);
asmlinkage __printf(5, 6) __cold
int printk_emit(int facility, int level,
const char *dict, size_t dictlen,
const char *fmt, ...);
asmlinkage __printf(1, 2) __cold
int printk(const char *fmt, ...);

30
kernel/printk/printk.c
View File

@ -753,6 +753,19 @@ struct devkmsg_user {
char buf[CONSOLE_EXT_LOG_MAX];
};
static __printf(3, 4) __cold
int devkmsg_emit(int facility, int level, const char *fmt, ...)
{
va_list args;
int r;
va_start(args, fmt);
r = vprintk_emit(facility, level, NULL, 0, fmt, args);
va_end(args);
return r;
}
static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from)
{
char *buf, *line;
@ -811,7 +824,7 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from)
}
}
printk_emit(facility, level, NULL, 0, "%s", line);
devkmsg_emit(facility, level, "%s", line);
kfree(buf);
return ret;
}
@ -1936,21 +1949,6 @@ asmlinkage int vprintk(const char *fmt, va_list args)
}
EXPORT_SYMBOL(vprintk);
asmlinkage int printk_emit(int facility, int level,
const char *dict, size_t dictlen,
const char *fmt, ...)
{
va_list args;
int r;
va_start(args, fmt);
r = vprintk_emit(facility, level, dict, dictlen, fmt, args);
va_end(args);
return r;
}
EXPORT_SYMBOL(printk_emit);
int vprintk_default(const char *fmt, va_list args)
{
int r;