CC: [email protected] BCC: [email protected] In-Reply-To: <[email protected]> References: <[email protected]> TO: "Christian 'Ansuel' Marangi" <[email protected]> TO: MyungJoo Ham <[email protected]> TO: Kyungmin Park <[email protected]> TO: Chanwoo Choi <[email protected]> TO: Saravana Kannan <[email protected]> TO: Sibi Sankar <[email protected]> TO: [email protected] TO: [email protected] CC: "Christian 'Ansuel' Marangi" <[email protected]>
Hi Christian, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on chanwoo/devfreq-testing] [also build test WARNING on linus/master v5.19-rc1 next-20220609] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Christian-Ansuel-Marangi/PM-devfreq-Various-Fixes-to-cpufreq-based-passive-governor/20220606-191335 base: https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing :::::: branch date: 4 days ago :::::: commit date: 4 days ago config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220610/[email protected]/config) compiler: gcc-11 (Debian 11.3.0-1) 11.3.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: drivers/devfreq/governor_passive.c:235 cpufreq_passive_unregister_notifier() error: dereferencing freed memory 'parent_cpu_data' vim +/parent_cpu_data +235 drivers/devfreq/governor_passive.c a03dacb0316f74 Saravana Kannan 2021-03-02 220 a03dacb0316f74 Saravana Kannan 2021-03-02 221 static int cpufreq_passive_unregister_notifier(struct devfreq *devfreq) a03dacb0316f74 Saravana Kannan 2021-03-02 222 { a03dacb0316f74 Saravana Kannan 2021-03-02 223 struct devfreq_passive_data *p_data a03dacb0316f74 Saravana Kannan 2021-03-02 224 = (struct devfreq_passive_data *)devfreq->data; a03dacb0316f74 Saravana Kannan 2021-03-02 225 struct devfreq_cpu_data *parent_cpu_data; 2d59e1f0c418bf Christian 'Ansuel' Marangi 2022-06-06 226 int ret; a03dacb0316f74 Saravana Kannan 2021-03-02 227 a03dacb0316f74 Saravana Kannan 2021-03-02 228 if (p_data->nb.notifier_call) { a03dacb0316f74 Saravana Kannan 2021-03-02 229 ret = cpufreq_unregister_notifier(&p_data->nb, a03dacb0316f74 Saravana Kannan 2021-03-02 230 CPUFREQ_TRANSITION_NOTIFIER); a03dacb0316f74 Saravana Kannan 2021-03-02 231 if (ret < 0) a03dacb0316f74 Saravana Kannan 2021-03-02 232 return ret; a03dacb0316f74 Saravana Kannan 2021-03-02 233 } a03dacb0316f74 Saravana Kannan 2021-03-02 234 2d59e1f0c418bf Christian 'Ansuel' Marangi 2022-06-06 @235 list_for_each_entry(parent_cpu_data, &p_data->cpu_data_list, node) { 26984d9d581e50 Chanwoo Choi 2022-04-27 236 list_del(&parent_cpu_data->node); 2d59e1f0c418bf Christian 'Ansuel' Marangi 2022-06-06 237 a03dacb0316f74 Saravana Kannan 2021-03-02 238 if (parent_cpu_data->opp_table) a03dacb0316f74 Saravana Kannan 2021-03-02 239 dev_pm_opp_put_opp_table(parent_cpu_data->opp_table); 2d59e1f0c418bf Christian 'Ansuel' Marangi 2022-06-06 240 a03dacb0316f74 Saravana Kannan 2021-03-02 241 kfree(parent_cpu_data); a03dacb0316f74 Saravana Kannan 2021-03-02 242 } a03dacb0316f74 Saravana Kannan 2021-03-02 243 2d59e1f0c418bf Christian 'Ansuel' Marangi 2022-06-06 244 return 0; a03dacb0316f74 Saravana Kannan 2021-03-02 245 } a03dacb0316f74 Saravana Kannan 2021-03-02 246 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
