Messages in this thread Patch in this message | | | From | Yajun Deng <> | Subject | [PATCH] cpufreq: Fix policy->freq_table is NULL in __cpufreq_driver_target() | Date | Wed, 29 Mar 2023 21:36:00 +0800 |
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__resolve_freq() may be return target_freq if policy->freq_table is NULL. In this case, it should return -EINVAL before __target_index().
Signed-off-by: Yajun Deng <yajun.deng@linux.dev> --- drivers/cpufreq/cpufreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index c0e5be0fe2d6..308a3df1a940 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2299,7 +2299,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy, return cpufreq_driver->target(policy, target_freq, relation); } - if (!cpufreq_driver->target_index) + if (!cpufreq_driver->target_index || !policy->freq_table) return -EINVAL; return __target_index(policy, policy->cached_resolved_idx); -- 2.25.1
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