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author | Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> | 2018-11-24 05:10:25 +0100 |
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committer | Petr Mladek <pmladek@suse.com> | 2018-11-29 10:59:40 +0100 |
commit | 9adcfaffc34d53e498637237fb3701560359d50b (patch) | |
tree | d417bb7adf4be5bfc0c4519182f49541306ffad9 /kernel/printk/printk.c | |
parent | panic: avoid deadlocks in re-entrant console drivers (diff) | |
download | linux-9adcfaffc34d53e498637237fb3701560359d50b.tar.xz linux-9adcfaffc34d53e498637237fb3701560359d50b.zip |
printk: Make printk_emit() local function.
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>
Diffstat (limited to 'kernel/printk/printk.c')
-rw-r--r-- | kernel/printk/printk.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index b77150ad1965..a1d88212a5d2 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -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; |