1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c
index a4fb343a08da..319e8b83f6be 100644
--- a/drivers/serial/sb1250-duart.c
+++ b/drivers/serial/sb1250-duart.c
@@ -204,7 +204,7 @@ static int sbd_receive_drain(struct sbd_port *sport)
 {
         int loops = 10000;
 
-        while (sbd_receive_ready(sport) && loops--)
+        while (sbd_receive_ready(sport) && --loops)
                 read_sbdchn(sport, R_DUART_RX_HOLD);
         return loops;
 }
@@ -218,7 +218,7 @@ static int __maybe_unused sbd_transmit_drain(struct sbd_port *sport)
 {
         int loops = 10000;
 
-        while (!sbd_transmit_ready(sport) && loops--)
+        while (!sbd_transmit_ready(sport) && --loops)
                 udelay(2);
         return loops;
 }
@@ -232,7 +232,7 @@ static int sbd_line_drain(struct sbd_port *sport)
 {
         int loops = 10000;
 
-        while (!sbd_transmit_empty(sport) && loops--)
+        while (!sbd_transmit_empty(sport) && --loops)
                 udelay(2);
         return loops;
 }