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| author | Anson Huang <Anson.Huang@nxp.com> | 2018-11-03 12:16:08 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:35:02 +0800 |
| commit | 7a9cdc21e3c703e979c1ebcc16a6a5ce47220ae5 (patch) | |
| tree | 2d3c08a128ab43717df7e124bf780c90c414c86c /drivers/cpufreq/imx7ulp-cpufreq.c | |
| parent | 39fbb4d8a67cf4f8146127bd17c60f5eb6d37d41 (diff) | |
MLK-20203-2 cpufreq: imx7ulp: fix coverity issue
This patch fixes coverity issue of "divide by 0".
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Bai Ping <ping.bai@nxp.com>
Diffstat (limited to 'drivers/cpufreq/imx7ulp-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/imx7ulp-cpufreq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/cpufreq/imx7ulp-cpufreq.c b/drivers/cpufreq/imx7ulp-cpufreq.c index b049adb9329e..55c52d8f611b 100644 --- a/drivers/cpufreq/imx7ulp-cpufreq.c +++ b/drivers/cpufreq/imx7ulp-cpufreq.c @@ -47,6 +47,8 @@ static int imx7ulp_set_target(struct cpufreq_policy *policy, unsigned int index) new_freq = freq_table[index].frequency; freq_hz = new_freq * 1000; old_freq = clk_get_rate(arm_clk) / 1000; + if (new_freq == 0 || old_freq == 0) + return -EINVAL; opp = dev_pm_opp_find_freq_ceil(cpu_dev, &freq_hz); if (IS_ERR(opp)) { |