[PATCH] cpu: cpufreq: avoid division by zero

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

Coverity CID #997299, Division or modulo by zero (DIVIDE_BY_ZERO)

Avoid the very slim chance of a division by zero error.

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/cpu/cpufreq/cpufreq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/cpu/cpufreq/cpufreq.c b/src/cpu/cpufreq/cpufreq.c
index df52100..e115bbb 100644
--- a/src/cpu/cpufreq/cpufreq.c
+++ b/src/cpu/cpufreq/cpufreq.c
@@ -169,7 +169,10 @@ static int get_performance_repeat(
 		*retval = min;
 		break;
 	case GET_PERFORMANCE_AVG:
-		*retval = cumulative / real_count;
+		if (real_count)
+			*retval = cumulative / real_count;
+		else
+			*retval = 0;
 		break;
 	default:
 		*retval = 0;
-- 
1.8.1.2