[git:media_stage/master] media: ttpci: fix two memleaks in budget_av_attach

[Hans Verkuil]

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Subject: media: ttpci: fix two memleaks in budget_av_attach
Author:  Zhipeng Lu <alexi...@zju.edu.cn>
Date:    Wed Feb 21 13:17:04 2024 +0800

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: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Zhipeng Lu <alexi...@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>

 drivers/media/pci/ttpci/budget-av.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

---

diff --git a/drivers/media/pci/ttpci/budget-av.c 
b/drivers/media/pci/ttpci/budget-av.c
index 230b104a7cdf..a47c5850ef87 100644
--- a/drivers/media/pci/ttpci/budget-av.c
+++ b/drivers/media/pci/ttpci/budget-av.c
@@ -1463,7 +1463,8 @@ static int budget_av_attach(struct saa7146_dev *dev, 
struct saa7146_pci_extensio
                budget_av->has_saa7113 = 1;
                err = saa7146_vv_init(dev, &vv_data);
                if (err != 0) {
-                       /* fixme: proper cleanup here */
+                       ttpci_budget_deinit(&budget_av->budget);
+                       kfree(budget_av);
                        ERR("cannot init vv subsystem\n");
                        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;
 
                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);
+                       ttpci_budget_deinit(&budget_av->budget);
+                       kfree(budget_av);
+                       ERR("cannot register capture v4l2 device\n");
                        return err;
                }