[PATCH 5/8] pci: cx88-input: fix potential integer overflow

[Gustavo A. R. Silva]

Cast ir->polling to ktime_t in order to avoid a potential integer
overflow. This variable is being used in a context that expects
an expression of type ktime_t (s64).

Addresses-Coverity-ID: 1392628 ("Unintentional integer overflow")
Addresses-Coverity-ID: 1392630 ("Unintentional integer overflow")
Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
 drivers/media/pci/cx88/cx88-input.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/cx88/cx88-input.c 
b/drivers/media/pci/cx88/cx88-input.c
index 4e9953e..096b350 100644
--- a/drivers/media/pci/cx88/cx88-input.c
+++ b/drivers/media/pci/cx88/cx88-input.c
@@ -180,7 +180,7 @@ static enum hrtimer_restart cx88_ir_work(struct hrtimer 
*timer)
        struct cx88_IR *ir = container_of(timer, struct cx88_IR, timer);
 
        cx88_ir_handle_key(ir);
-       missed = hrtimer_forward_now(&ir->timer, ir->polling * 1000000);
+       missed = hrtimer_forward_now(&ir->timer, (ktime_t)ir->polling * 
1000000);
        if (missed > 1)
                ir_dprintk("Missed ticks %ld\n", missed - 1);
 
@@ -200,7 +200,7 @@ static int __cx88_ir_start(void *priv)
        if (ir->polling) {
                hrtimer_init(&ir->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
                ir->timer.function = cx88_ir_work;
-               hrtimer_start(&ir->timer, ir->polling * 1000000,
+               hrtimer_start(&ir->timer, (ktime_t)ir->polling * 1000000,
                              HRTIMER_MODE_REL);
        }
        if (ir->sampling) {
-- 
2.7.4