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| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2018-03-30 17:14:03 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-26 08:39:36 +0200 |
| commit | 7974b0c64934e7fe3646a6f122b3e98cdfeb448b (patch) | |
| tree | e168273a2f9eefab34e7a2f3600210713c55f7b7 /drivers | |
| parent | 81ce15b06c0fd2b139bf095cb53bcd562bedf3ed (diff) | |
| download | linux-stable-7974b0c64934e7fe3646a6f122b3e98cdfeb448b.tar.gz linux-stable-7974b0c64934e7fe3646a6f122b3e98cdfeb448b.tar.bz2 linux-stable-7974b0c64934e7fe3646a6f122b3e98cdfeb448b.zip | |
PM / devfreq: use put_device() instead of kfree()
[ Upstream commit 2d803dc8f7a5f622ac47c3b650834ada3a2659b9 ]
Never directly free @dev after calling device_register() or
device_unregister(), even if device_register() returned an error.
Always use put_device() to give up the reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/devfreq/devfreq.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 0b5b3abe054e..e26adf67e218 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -625,7 +625,8 @@ struct devfreq *devfreq_add_device(struct device *dev, err = device_register(&devfreq->dev); if (err) { mutex_unlock(&devfreq->lock); - goto err_dev; + put_device(&devfreq->dev); + goto err_out; } devfreq->trans_table = @@ -672,6 +673,7 @@ err_init: mutex_unlock(&devfreq_list_lock); device_unregister(&devfreq->dev); + devfreq = NULL; err_dev: if (devfreq) kfree(devfreq); |