| Message ID | 1603113151-5219-1-git-send-email-bodefang@126.com |
|---|---|
| State | New |
| Headers | show |
| Series | cpufreq: ti-cpufreq: fix memory leak in ti_cpufreq_probe() | expand |
On 19-10-20, 21:12, Defang Bo wrote: > Similar to commit<05829d9431df>("cpufreq: ti-cpufreq: kfree opp_data when failure"), opp_data needs to be freed when failure, including fail_put_node. This is allocated using devm_kzalloc() and so we don't need to free it explicitly. > Signed-off-by: Defang Bo <bodefang@126.com> > --- > drivers/cpufreq/ti-cpufreq.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c > index ab0de27..f23be8f 100644 > --- a/drivers/cpufreq/ti-cpufreq.c > +++ b/drivers/cpufreq/ti-cpufreq.c > @@ -342,7 +342,8 @@ static int ti_cpufreq_probe(struct platform_device *pdev) > opp_data->cpu_dev = get_cpu_device(0); > if (!opp_data->cpu_dev) { > pr_err("%s: Failed to get device for CPU0\n", __func__); > - return -ENODEV; > + ret = ENODEV; > + goto free_opp_data; > } > > opp_data->opp_node = dev_pm_opp_of_get_opp_desc_node(opp_data->cpu_dev); > @@ -404,7 +405,8 @@ static int ti_cpufreq_probe(struct platform_device *pdev) > > fail_put_node: > of_node_put(opp_data->opp_node); > - > +free_opp_data: > + kfree(opp_data) Did you even try to compile this code ? > return ret; > } > > -- > 1.9.1
diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c index ab0de27..f23be8f 100644 --- a/drivers/cpufreq/ti-cpufreq.c +++ b/drivers/cpufreq/ti-cpufreq.c @@ -342,7 +342,8 @@ static int ti_cpufreq_probe(struct platform_device *pdev) opp_data->cpu_dev = get_cpu_device(0); if (!opp_data->cpu_dev) { pr_err("%s: Failed to get device for CPU0\n", __func__); - return -ENODEV; + ret = ENODEV; + goto free_opp_data; } opp_data->opp_node = dev_pm_opp_of_get_opp_desc_node(opp_data->cpu_dev); @@ -404,7 +405,8 @@ static int ti_cpufreq_probe(struct platform_device *pdev) fail_put_node: of_node_put(opp_data->opp_node); - +free_opp_data: + kfree(opp_data) return ret; }
Similar to commit<05829d9431df>("cpufreq: ti-cpufreq: kfree opp_data when failure"), opp_data needs to be freed when failure, including fail_put_node. Signed-off-by: Defang Bo <bodefang@126.com> --- drivers/cpufreq/ti-cpufreq.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)