diff options
| -rw-r--r-- | kernel/printk.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 4f3a6481e4d5..2a8a61c666ba 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -319,8 +319,8 @@ int log_buf_copy(char *dest, int idx, int len) if (idx < 0 || idx >= max) { ret = -1; } else { - if (len > max) - len = max; + if (len > max - idx) + len = max - idx; ret = len; idx += (log_end - max); while (len-- > 0) |