diff options
Diffstat (limited to 'drivers/tty/tty_buffer.c')
| -rw-r--r-- | drivers/tty/tty_buffer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 9b240b3ef677..a96326b21b64 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -25,6 +25,7 @@ * Byte threshold to limit memory consumption for flip buffers. * The actual memory limit is > 2x this amount. */ + #define TTYB_DEFAULT_MEM_LIMIT 131072 /* @@ -415,6 +416,8 @@ receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count) disc->ops->receive_buf(tty, p, f, count); } head->read += count; + if (count > 0) + memset(p, 0, count); return count; } |