[PATCH 05/11] media: saa7134: use more meaninful goto labels

From: Mauro Carvalho Chehab
Date: Wed Jun 16 2021 - 08:28:59 EST


Instead of just numbering fail0 to fail4, use more meaninful
goto labels.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
drivers/media/pci/saa7134/saa7134-core.c | 34 ++++++++++++------------
1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
index ec8dd41f9ebb..97b1767f1fff 100644
--- a/drivers/media/pci/saa7134/saa7134-core.c
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -1031,7 +1031,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL);
if (!dev->media_dev) {
err = -ENOMEM;
- goto fail0;
+ goto err_free_dev;
}
media_device_pci_init(dev->media_dev, pci_dev, dev->name);
dev->v4l2_dev.mdev = dev->media_dev;
@@ -1039,13 +1039,13 @@ static int saa7134_initdev(struct pci_dev *pci_dev,

err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
if (err)
- goto fail0;
+ goto err_free_dev;

/* pci init */
dev->pci = pci_dev;
if (pci_enable_device(pci_dev)) {
err = -EIO;
- goto fail1;
+ goto err_v4l2_unregister;
}

/* pci quirks */
@@ -1095,7 +1095,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
if (err) {
pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
- goto fail1;
+ goto err_v4l2_unregister;
}

/* board config */
@@ -1129,7 +1129,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
err = -EBUSY;
pr_err("%s: can't get MMIO memory @ 0x%llx\n",
dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
- goto fail1;
+ goto err_v4l2_unregister;
}
dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
pci_resource_len(pci_dev, 0));
@@ -1138,7 +1138,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
err = -EIO;
pr_err("%s: can't ioremap() MMIO memory\n",
dev->name);
- goto fail2;
+ goto err_release_mem_reg;
}

/* initialize hardware #1 */
@@ -1151,7 +1151,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
if (err < 0) {
pr_err("%s: can't get IRQ %d\n",
dev->name,pci_dev->irq);
- goto fail3;
+ goto err_iounmap;
}

/* wait a bit, register i2c bus */
@@ -1217,7 +1217,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
if (err < 0) {
pr_info("%s: can't register video device\n",
dev->name);
- goto fail4;
+ goto err_unregister_video;
}
pr_info("%s: registered device %s [v4l2]\n",
dev->name, video_device_node_name(dev->video_dev));
@@ -1234,7 +1234,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
vbi_nr[dev->nr]);
if (err < 0)
- goto fail4;
+ goto err_unregister_video;
pr_info("%s: registered device %s\n",
dev->name, video_device_node_name(dev->vbi_dev));

@@ -1248,7 +1248,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
radio_nr[dev->nr]);
if (err < 0)
- goto fail4;
+ goto err_unregister_video;
pr_info("%s: registered device %s\n",
dev->name, video_device_node_name(dev->radio_dev));
}
@@ -1259,7 +1259,7 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
err = v4l2_mc_create_media_graph(dev->media_dev);
if (err) {
pr_err("failed to create media graph\n");
- goto fail4;
+ goto err_unregister_video;
}
#endif
/* everything worked */
@@ -1278,24 +1278,24 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
#ifdef CONFIG_MEDIA_CONTROLLER
err = media_device_register(dev->media_dev);
if (err)
- goto fail4;
+ goto err_unregister_video;
#endif

return 0;

- fail4:
+err_unregister_video:
saa7134_unregister_video(dev);
saa7134_i2c_unregister(dev);
free_irq(pci_dev->irq, dev);
- fail3:
+err_iounmap:
saa7134_hwfini(dev);
iounmap(dev->lmmio);
- fail2:
+err_release_mem_reg:
release_mem_region(pci_resource_start(pci_dev,0),
pci_resource_len(pci_dev,0));
- fail1:
+err_v4l2_unregister:
v4l2_device_unregister(&dev->v4l2_dev);
- fail0:
+err_free_dev:
#ifdef CONFIG_MEDIA_CONTROLLER
kfree(dev->media_dev);
#endif
--
2.31.1