[PATCH] Serial: Ensure error paths are marked with unlikely()

Ensure ARM serial driver error paths are marked with the
unlikely() compiler hint.

Signed-off-by: Russell King <rmk@arm.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index bd6782aeb831..435750d40a47 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -364,7 +364,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id, struct pt_regs *regs)
                 flag = TTY_NORMAL;
                 port->icount.rx++;
 
-                if (uerstat & S3C2410_UERSTAT_ANY) {
+                if (unlikely(uerstat & S3C2410_UERSTAT_ANY)) {
                         dbg("rxerr: port ch=0x%02x, rxs=0x%08x\n",
                             ch, uerstat);