Add suffix ULL to constant 1000 in order to avoid a potential integer
overflow and give the compiler complete information about the proper
arithmetic to use. Notice that this constant is being used in a context
that expects an expression of type unsigned long long, but it's
currently evaluated using 32-bit arithmetic.
Addresses-Coverity-ID: 1503062 ("Unintentional integer overflow")
Fixes: dafcf4ed8392 ("iio: hrtimer: Allow sub Hz granularity")
Signed-off-by: Gustavo A. R. Silva <[email protected]>
---
drivers/iio/trigger/iio-trig-hrtimer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/trigger/iio-trig-hrtimer.c
b/drivers/iio/trigger/iio-trig-hrtimer.c
index 51e362f091c2..716c795d08fb 100644
--- a/drivers/iio/trigger/iio-trig-hrtimer.c
+++ b/drivers/iio/trigger/iio-trig-hrtimer.c
@@ -63,7 +63,7 @@ ssize_t iio_hrtimer_store_sampling_frequency(struct device
*dev,
if (integer < 0 || fract < 0)
return -ERANGE;
- val = fract + 1000 * integer; /* mHz */
+ val = fract + 1000ULL * integer; /* mHz */
if (!val || val > UINT_MAX)
return -EINVAL;
--
2.27.0
