Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.9 19/48] media: dvbdev: Fix memleak in dvb_register_device | Date | Tue, 22 Dec 2020 21:23:47 -0500 |
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From: Dinghao Liu <dinghao.liu@zju.edu.cn>
[ Upstream commit 167faadfcf9339088910e9e85a1b711fcbbef8e9 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/media/dvb-core/dvbdev.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index a1cc1c1e53182..ffd01d54edca8 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -515,6 +515,9 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, if (IS_ERR(clsdev)) { printk(KERN_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(KERN_DEBUG "DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n", -- 2.27.0
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