>Since devm_kzalloc can be failed in memory pressure,
>check return value and handle error.
>
>Signed-off-by: Insu Yun <wuni...@gmail.com>
>---
> drivers/devfreq/devfreq.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
>diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
>index ca1b362..814089f 100644
>--- a/drivers/devfreq/devfreq.c
>+++ b/drivers/devfreq/devfreq.c
>@@ -482,9 +482,23 @@ struct devfreq *devfreq_add_device(struct device *dev,
> devfreq->profile->max_state *
> devfreq->profile->max_state,
> GFP_KERNEL);
>+ if (!devfreq->trans_table) {
>+ dev_err(dev, "%s: Unable to create transition table for the
>device\n",
>+ __func__);
>+ err = -ENOMEM;
>+ goto err_dev;
>+ }
>+
I don't see a label 'err_dev' in devfreq.c
And please note that you are under a mutex lock here as well; you must unlock
it before returning.
For devfreq.c of most recent release candidate, please refer to
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/devfreq/devfreq.c?id=7379047d5585187d1288486d4627873170d0005a
You don't seem to be based on a recent RC as well.
Cheers,
MyungJoo
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