diff options
| -rw-r--r-- | drivers/tty/serial/jsm/jsm_neo.c | 3 | ||||
| -rw-r--r-- | drivers/tty/serial/jsm/jsm_tty.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c index c4fd31de04b4..110696cdaa1d 100644 --- a/drivers/tty/serial/jsm/jsm_neo.c +++ b/drivers/tty/serial/jsm/jsm_neo.c @@ -291,7 +291,8 @@ static void neo_copy_data_from_uart_to_queue(struct jsm_channel *ch) ch->ch_cached_lsr = 0; /* Store how much space we have left in the queue */ - if ((qleft = tail - head - 1) < 0) + qleft = tail - head - 1; + if (qleft < 0) qleft += RQUEUEMASK + 1; /* diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c index d74cbbbf33c6..cb58bdec2f43 100644 --- a/drivers/tty/serial/jsm/jsm_tty.c +++ b/drivers/tty/serial/jsm/jsm_tty.c @@ -749,7 +749,8 @@ void jsm_check_queue_flow_control(struct jsm_channel *ch) int qleft; /* Store how much space we have left in the queue */ - if ((qleft = ch->ch_r_tail - ch->ch_r_head - 1) < 0) + qleft = ch->ch_r_tail - ch->ch_r_head - 1; + if (qleft < 0) qleft += RQUEUEMASK + 1; /* |