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media: dvbdev: Fix memleak in dvb_register_device 

When device_create() fails, dvbdev and dvbdevfops should
be freed just like when dvb_register_media_device() fails.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Dinghao Liu 2020-08-24 14:27:46 +02:00 committed by Mauro Carvalho Chehab
parent ee50d6e60d
commit 167faadfcf
1 changed files with 3 additions and 0 deletions
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3
drivers/media/dvb-core/dvbdev.c
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@ -539,6 +539,9 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
if (IS_ERR(clsdev)) {
pr_err("%s: failed to create device dvb%d.%s%d (%ld)\n",
__func__, adap->num, dnames[type], id, PTR_ERR(clsdev));
dvb_media_device_free(dvbdev);
kfree(dvbdevfops);
kfree(dvbdev);
return PTR_ERR(clsdev);
}
dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n",