printk: remove unused code from kernel/printk.c

both log_buf_copy() and log_buf_len are unused.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 39 deletions

diff --git a/kernel/printk.c b/kernel/printk.c
index 6341af77eb65..f492f1583d77 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -233,45 +233,6 @@ static inline void boot_delay_msec(void)
 #endif
 
 /*
- * Return the number of unread characters in the log buffer.
- */
-static int log_buf_get_len(void)
-{
-        return logged_chars;
-}
-
-/*
- * Copy a range of characters from the log buffer.
- */
-int log_buf_copy(char *dest, int idx, int len)
-{
-        int ret, max;
-        bool took_lock = false;
-
-        if (!oops_in_progress) {
-                spin_lock_irq(&logbuf_lock);
-                took_lock = true;
-        }
-
-        max = log_buf_get_len();
-        if (idx < 0 || idx >= max) {
-                ret = -1;
-        } else {
-                if (len > max)
-                        len = max;
-                ret = len;
-                idx += (log_end - max);
-                while (len-- > 0)
-                        dest[len] = LOG_BUF(idx + len);
-        }
-
-        if (took_lock)
-                spin_unlock_irq(&logbuf_lock);
-
-        return ret;
-}
-
-/*
  * Commands to do_syslog:
  *
  *      0 -- Close the log.  Currently a NOP.