From: San Mehat <san@google.com>
Date: Thu, 6 Aug 2009 17:25:21 +0000 (-0700)
Subject: kernel: printk: Add non exported function for clearing the log ring buffer
X-Git-Tag: firefly_0821_release~7613^2~761
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ce84ca9acef1cb5209b7d0f1fff7b6a5640fab2f;p=firefly-linux-kernel-4.4.55.git

kernel: printk: Add non exported function for clearing the log ring buffer

Signed-off-by: San Mehat <san@google.com>
---

diff --git a/kernel/printk.c b/kernel/printk.c
index cd8fbf3440a8..d8b51657c010 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -302,6 +302,14 @@ static int log_buf_get_len(void)
 	return logged_chars;
 }
 
+/*
+ * Clears the ring-buffer
+ */
+void log_buf_clear(void)
+{
+	logged_chars = 0;
+}
+
 /*
  * Copy a range of characters from the log buffer.
  */