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Merge "drivers: qcom: qcom_stats: Fix a deadlock in ioctl function"

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This commit is contained in:
qctecmdr 2023-02-28 07:27:45 -08:00 committed by Gerrit - the friendly Code Review server
commit 405ecf7177
1 changed files with 3 additions and 3 deletions
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6
drivers/soc/qcom/qcom_stats.c
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@ -344,13 +344,13 @@ static long qcom_stats_device_ioctl(struct file *file, unsigned int cmd,
u32 stats_id;
int ret;
mutex_lock(&drv->lock);
mutex_lock(&sleep_stats_mutex);
if (cmd != DDR_STATS_IOCTL)
stat = kzalloc(sizeof(struct sleep_stats), GFP_KERNEL);
else
stat = kcalloc(DDR_STATS_MAX_NUM_MODES, sizeof(struct sleep_stats), GFP_KERNEL);
if (!stat) {
mutex_unlock(&drv->lock);
mutex_unlock(&sleep_stats_mutex);
return -ENOMEM;
}
@ -439,7 +439,7 @@ static long qcom_stats_device_ioctl(struct file *file, unsigned int cmd,
exit:
kfree(stat);
mutex_unlock(&drv->lock);
mutex_unlock(&sleep_stats_mutex);
return ret;
}