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printk: remove unused code from kernel/printk.c

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both log_buf_copy() and log_buf_len are unused.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
roel kluin 2008-10-21 19:49:09 -04:00 committed by Ingo Molnar
parent d2441183dc
commit acff181d35
1 changed files with 0 additions and 39 deletions
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39
kernel/printk.c
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@ -232,45 +232,6 @@ 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:
*