From 088a52aac810655c1db1e40331e4936946701e9c Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 30 Jul 2012 14:40:19 -0700 Subject: [PATCH] printk: only look for prefix levels in kernel messages vprintk_emit() prefix parsing should only be done for internal kernel messages. This allows existing behavior to be kept in all cases. Signed-off-by: Joe Perches Cc: Kay Sievers Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/printk.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/kernel/printk.c b/kernel/printk.c index 0d882a2f231..6a76ab9d447 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1487,7 +1487,6 @@ asmlinkage int vprintk_emit(int facility, int level, size_t text_len; enum log_flags lflags = 0; unsigned long flags; - int kern_level; int this_cpu; int printed_len = 0; @@ -1543,21 +1542,24 @@ asmlinkage int vprintk_emit(int facility, int level, lflags |= LOG_NEWLINE; } - /* strip syslog prefix and extract log level or control flags */ - kern_level = printk_get_level(text); - if (kern_level) { - const char *end_of_header = printk_skip_level(text); - switch (kern_level) { - case '0' ... '7': - if (level == -1) - level = kern_level - '0'; - case 'd': /* KERN_DEFAULT */ - lflags |= LOG_PREFIX; - case 'c': /* KERN_CONT */ - break; + /* strip kernel syslog prefix and extract log level or control flags */ + if (facility == 0) { + int kern_level = printk_get_level(text); + + if (kern_level) { + const char *end_of_header = printk_skip_level(text); + switch (kern_level) { + case '0' ... '7': + if (level == -1) + level = kern_level - '0'; + case 'd': /* KERN_DEFAULT */ + lflags |= LOG_PREFIX; + case 'c': /* KERN_CONT */ + break; + } + text_len -= end_of_header - text; + text = (char *)end_of_header; } - text_len -= end_of_header - text; - text = (char *)end_of_header; } if (level == -1)