X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fbarometer.c;h=b6f2bc0067e5a09d430f3de7efb5dae87c3386b1;hb=711f5b6c86f51061c21bedcaa46214a01de0125c;hp=66ab20c02427b814788adca24d55784c475b8284;hpb=614660f40c32b5af9b6c4852e4e370fc3953a5c8;p=collectd.git

diff --git a/src/barometer.c b/src/barometer.c
index 66ab20c0..b6f2bc00 100644
--- a/src/barometer.c
+++ b/src/barometer.c
@@ -27,6 +27,9 @@
 
 #include <fcntl.h>
 #include <linux/i2c-dev.h>
+#if HAVE_I2C_SMBUS_H
+#include <i2c/smbus.h>
+#endif
 #include <math.h>
 #include <stdint.h>
 #include <sys/ioctl.h>
@@ -249,7 +252,7 @@ static averaging_t temperature_averaging;
  * @return Zero when successful
  */
 static int averaging_create(averaging_t *avg, int size) {
-  avg->ring_buffer = calloc((size_t)size, sizeof(*avg->ring_buffer));
+  avg->ring_buffer = calloc(size, sizeof(*avg->ring_buffer));
   if (avg->ring_buffer == NULL) {
     ERROR("barometer: averaging_create - ring buffer allocation of size %d "
           "failed",