1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index f8504b0adebc..33fbda79f350 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -110,7 +110,7 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *r
                 port->icount.rx++;
 
                 rxs = *CSR_RXSTAT | RXSTAT_DUMMY_READ;
-                if (rxs & RXSTAT_ANYERR) {
+                if (unlikely(rxs & RXSTAT_ANYERR)) {
                         if (rxs & RXSTAT_PARITY)
                                 port->icount.parity++;
                         else if (rxs & RXSTAT_FRAME)