[PATCH 8/8] platform: vivid-cec: fix potential integer overflow in vivid_cec_pin_adap_events

[Gustavo A. R. Silva]

Cast len to const u64 in order to avoid a potential integer
overflow. This variable is being used in a context that expects
an expression of type const u64.

Addresses-Coverity-ID: 1454996 ("Unintentional integer overflow")
Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
 drivers/media/platform/vivid/vivid-cec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/vivid/vivid-cec.c 
b/drivers/media/platform/vivid/vivid-cec.c
index b55d278..30240ab 100644
--- a/drivers/media/platform/vivid/vivid-cec.c
+++ b/drivers/media/platform/vivid/vivid-cec.c
@@ -83,7 +83,7 @@ static void vivid_cec_pin_adap_events(struct cec_adapter 
*adap, ktime_t ts,
        if (adap == NULL)
                return;
        ts = ktime_sub_us(ts, (CEC_TIM_START_BIT_TOTAL +
-                              len * 10 * CEC_TIM_DATA_BIT_TOTAL));
+                              (const u64)len * 10 * CEC_TIM_DATA_BIT_TOTAL));
        cec_queue_pin_cec_event(adap, false, ts);
        ts = ktime_add_us(ts, CEC_TIM_START_BIT_LOW);
        cec_queue_pin_cec_event(adap, true, ts);
-- 
2.7.4