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media: ttpci: fix two memleaks in budget_av_attach

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[ Upstream commit d0b07f712b ]

When saa7146_register_device and saa7146_vv_init fails, budget_av_attach
should free the resources it allocates, like the error-handling of
ttpci_budget_init does. Besides, there are two fixme comment refers to
such deallocations.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhipeng Lu
2024-02-21 13:17:04 +08:00
committed by Sasha Levin
parent 7405a0d444
commit 656b8cc123
1 changed files with 5 additions and 3 deletions
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8
drivers/media/pci/ttpci/budget-av.c
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@@ -1463,7 +1463,8 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
budget_av->has_saa7113 = 1; budget_av->has_saa7113 = 1;
err = saa7146_vv_init(dev, &vv_data); err = saa7146_vv_init(dev, &vv_data);
if (err != 0) { if (err != 0) {
/* fixme: proper cleanup here */ ttpci_budget_deinit(&budget_av->budget);
kfree(budget_av);
ERR("cannot init vv subsystem\n"); ERR("cannot init vv subsystem\n");
return err; return err;
} }
@@ -1472,9 +1473,10 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
vv_data.vid_ops.vidioc_s_input = vidioc_s_input; vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_VIDEO))) { if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_VIDEO))) {
/* fixme: proper cleanup here */
ERR("cannot register capture v4l2 device\n");
saa7146_vv_release(dev); saa7146_vv_release(dev);
ttpci_budget_deinit(&budget_av->budget);
kfree(budget_av);
ERR("cannot register capture v4l2 device\n");
return err; return err;
} }