[PATCH] cpu: cpufreq: avoid division by zero by initializing cpu_top_perf to 1

[Colin King]

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

There is a potential division by zero if no cpu frequencies are found
when cpu_top_perf is initialized as zero.  A simple fix is to initialize
it to 1.

Addresses-Coverity: ("Division or modulo by zero")
Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/cpu/cpufreq/cpufreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cpu/cpufreq/cpufreq.c b/src/cpu/cpufreq/cpufreq.c
index 60101f29..8c8870c0 100644
--- a/src/cpu/cpufreq/cpufreq.c
+++ b/src/cpu/cpufreq/cpufreq.c
@@ -279,7 +279,7 @@ static uint64_t get_bios_limit(struct cpu *cpu)
 static int test_one_cpu_performance(fwts_framework *fw, struct cpu *cpu,
 		int cpu_idx, int n_online_cpus)
 {
-	uint64_t cpu_top_perf = 0;
+	uint64_t cpu_top_perf = 1;
 	int i;
 
 	for (i = 0; i < cpu->n_freqs; i++) {
-- 
2.20.1