greybus: loopback: Fix averaging

[cascardo/linux.git] / drivers / staging / greybus / loopback.c

diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index 85d3e35..9f0da57 100644 (file)
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -157,14 +157,15 @@ static ssize_t name##_avg_show(struct device *dev,                \
 {                                                                      \
        struct gb_loopback_stats *stats;                                \
        struct gb_loopback *gb;                                         \
-       u64 avg;                                                        \
-       u32 count, rem;                                                 \
+       u64 avg, rem;                                                   \
+       u32 count;                                                      \
        gb = dev_get_drvdata(dev);                      \
        stats = &gb->name;                                      \
        count = stats->count ? stats->count : 1;                        \
-       avg = stats->sum + count / 2;   /* round closest */             \
+       avg = stats->sum;                                               \
        rem = do_div(avg, count);                                       \
-       return sprintf(buf, "%llu.%06u\n", avg, 1000000 * rem / count); \
+       rem = 1000000 * rem / count;                                    \
+       return sprintf(buf, "%llu.%06u\n", avg, (u32)rem);              \
 }                                                                      \
 static DEVICE_ATTR_RO(name##_avg)