Messages in this thread Patch in this message | | | From | Petr Mladek <> | Subject | [PATCH v2 4/4] printk/sound: Handle more message headers | Date | Wed, 9 Nov 2016 13:41:31 +0100 |
| |
The commit 4bcc595ccd80decb4245096e ("printk: reinstate KERN_CONT for printing continuation lines") allows to define more message headers for a single message. The motivation is that continuous lines might get mixed. Therefore it make sense to define the right log level for every piece of a cont line.
This patch allows to copy only the real message level. We should ignore KERN_CONT because <filename:line> is added for each message. By other words, we want to know where each piece of the line comes from.
Signed-off-by: Petr Mladek <pmladek@suse.com> --- sound/core/misc.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/sound/core/misc.c b/sound/core/misc.c index f2e8226c88fb..45f03b1d4102 100644 --- a/sound/core/misc.c +++ b/sound/core/misc.c @@ -71,6 +71,7 @@ void __snd_printk(unsigned int level, const char *path, int line, int kern_level; struct va_format vaf; char verbose_fmt[] = KERN_DEFAULT "ALSA %s:%d %pV"; + bool level_found = false; #endif #ifdef CONFIG_SND_DEBUG @@ -83,15 +84,22 @@ void __snd_printk(unsigned int level, const char *path, int line, vaf.fmt = format; vaf.va = &args; - kern_level = printk_get_level(format); - if (kern_level) { - const char *end_of_header = printk_skip_level(format); - memcpy(verbose_fmt, format, end_of_header - format); + while ((kern_level = printk_get_level(vaf.fmt)) != 0) { + const char *end_of_header = printk_skip_level(vaf.fmt); + + /* Ignore KERN_CONT. We print filename:line for each piece. */ + if (kern_level >= '0' || kern_level <= '7') { + memcpy(verbose_fmt, vaf.fmt, end_of_header - vaf.fmt); + level_found = true; + } + vaf.fmt = end_of_header; - } else if (level) + } + + if (!level_found && level) memcpy(verbose_fmt, KERN_DEBUG, sizeof(KERN_DEBUG) - 1); - printk(verbose_fmt, sanity_file_name(path), line, &vaf); + printk(verbose_fmt, sanity_file_name(path), line, &vaf); #else vprintk(format, args); #endif -- 1.8.5.6
| |