media: rc: Use scnprintf() for avoiding potential buffer overflow

[linux-2.6-microblaze.git] / drivers / media / rc / nuvoton-cir.c

diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index 5c2cd8d..48a69bf 100644 (file)
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -230,10 +230,10 @@ static ssize_t wakeup_data_show(struct device *dev,
        for (i = 0; i < fifo_len; i++) {
                duration = nvt_cir_wake_reg_read(nvt, CIR_WAKE_RD_FIFO_ONLY);
                duration = (duration & BUF_LEN_MASK) * SAMPLE_PERIOD;
-               buf_len += snprintf(buf + buf_len, PAGE_SIZE - buf_len,
+               buf_len += scnprintf(buf + buf_len, PAGE_SIZE - buf_len,
                                    "%d ", duration);
        }
-       buf_len += snprintf(buf + buf_len, PAGE_SIZE - buf_len, "\n");
+       buf_len += scnprintf(buf + buf_len, PAGE_SIZE - buf_len, "\n");
 
        spin_unlock_irqrestore(&nvt->lock, flags);