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[media] radio-isa: fix memory leak

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If there is an error when creating controls the v4l2_ctrl_handler_free
function must be called.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-04-28 08:09:48 -03:00 committed by Mauro Carvalho Chehab
parent ff27cda340
commit f61861fa56
1 changed files with 3 additions and 5 deletions
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8
drivers/media/radio/radio-isa.c
View file

@ -274,23 +274,21 @@ int radio_isa_common_probe(struct radio_isa_card *isa, struct device *pdev,
res = ops->s_stereo(isa, isa->stereo);
if (res < 0) {
v4l2_err(v4l2_dev, "Could not setup card\n");
goto err_node_reg;
goto err_hdl;
}
res = video_register_device(&isa->vdev, VFL_TYPE_RADIO, radio_nr);
if (res < 0) {
v4l2_err(v4l2_dev, "Could not register device node\n");
goto err_node_reg;
goto err_hdl;
}
v4l2_info(v4l2_dev, "Initialized radio card %s on port 0x%03x\n",
drv->card, isa->io);
return 0;
err_node_reg:
v4l2_ctrl_handler_free(&isa->hdl);
err_hdl:
v4l2_device_unregister(&isa->v4l2_dev);
v4l2_ctrl_handler_free(&isa->hdl);
err_dev_reg:
release_region(isa->io, region_size);
kfree(isa);