Input: atkbd - use printk_ratelimit for spurious ACK messages

Signed-off-by: Qi Yong <qiyong@mail.fc-cn.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 9e80012d0d0c..9950fcb33650 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -409,9 +409,10 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
                         goto out;
                 case ATKBD_RET_ACK:
                 case ATKBD_RET_NAK:
-                        printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
-                               "Some program might be trying access hardware directly.\n",
-                               data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
+                        if (printk_ratelimit())
+                                printk(KERN_WARNING "atkbd.c: Spurious %s on %s. "
+                                       "Some program might be trying access hardware directly.\n",
+                                       data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
                         goto out;
                 case ATKBD_RET_HANGEUL:
                 case ATKBD_RET_HANJA: