printk: add stub for prepend_timestamp()

Add a stub for prepend_timestamp() when CONFIG_PRINTK is not enabled. Fixes this build error: kernel/printk.c:1770:3: error: implicit declaration of function 'prepend_timestamp' Cc: Kay Sievers <kay@vrfy.org> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mariux64 · May 11, 2012 · 1fce677 · 1fce677
1 parent 42d1149
commit 1fce677
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/kernel/printk.c b/kernel/printk.c
@@ -1439,6 +1439,10 @@ static struct log *log_from_idx(u32 idx) { return NULL; }
 static u32 log_next(u32 idx) { return 0; }
 static char *log_text(const struct log *msg) { return NULL; }
 static void call_console_drivers(int level, const char *text, size_t len) {}
+static size_t prepend_timestamp(unsigned long long t, char *buf)
+{
+	return 0;
+}
 
 #endif /* CONFIG_PRINTK */