[PATCH 23/31] staging: wfx: use explicit labels for errors

From: Jerome Pouiller
Date: Thu Jan 13 2022 - 03:57:52 EST


From: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>

Prefer fully named labels to handle errors instead of err0, err1, ...

Signed-off-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>
---
drivers/staging/wfx/bus_sdio.c | 9 ++++-----
drivers/staging/wfx/main.c | 31 +++++++++++++++----------------
2 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/wfx/bus_sdio.c b/drivers/staging/wfx/bus_sdio.c
index 4b77df2f463e..5c45ccd85a7d 100644
--- a/drivers/staging/wfx/bus_sdio.c
+++ b/drivers/staging/wfx/bus_sdio.c
@@ -214,26 +214,25 @@ static int wfx_sdio_probe(struct sdio_func *func, const struct sdio_device_id *i
sdio_set_block_size(func, 64);
sdio_release_host(func);
if (ret)
- goto err0;
+ return ret;

bus->core = wfx_init_common(&func->dev, &wfx_sdio_pdata,
&wfx_sdio_hwbus_ops, bus);
if (!bus->core) {
ret = -EIO;
- goto err1;
+ goto sdio_release;
}

ret = wfx_probe(bus->core);
if (ret)
- goto err1;
+ goto sdio_release;

return 0;

-err1:
+sdio_release:
sdio_claim_host(func);
sdio_disable_func(func);
sdio_release_host(func);
-err0:
return ret;
}

diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c
index 217c0c5c60d1..46fd5702e471 100644
--- a/drivers/staging/wfx/main.c
+++ b/drivers/staging/wfx/main.c
@@ -232,18 +232,17 @@ static int wfx_send_pdata_pds(struct wfx_dev *wdev)
if (ret) {
dev_err(wdev->dev, "can't load antenna parameters (PDS file %s). The device may be unstable.\n",
wdev->pdata.file_pds);
- goto err1;
+ return ret;
}
tmp_buf = kmemdup(pds->data, pds->size, GFP_KERNEL);
if (!tmp_buf) {
ret = -ENOMEM;
- goto err2;
+ goto release_fw;
}
ret = wfx_send_pds(wdev, tmp_buf, pds->size);
kfree(tmp_buf);
-err2:
+release_fw:
release_firmware(pds);
-err1:
return ret;
}

@@ -350,7 +349,7 @@ int wfx_probe(struct wfx_dev *wdev)

err = wfx_init_device(wdev);
if (err)
- goto err0;
+ goto bh_unregister;

wfx_bh_poll_irq(wdev);
err = wait_for_completion_timeout(&wdev->firmware_ready, 1 * HZ);
@@ -361,7 +360,7 @@ int wfx_probe(struct wfx_dev *wdev)
} else if (err == -ERESTARTSYS) {
dev_info(wdev->dev, "probe interrupted by user\n");
}
- goto err0;
+ goto bh_unregister;
}

/* FIXME: fill wiphy::hw_version */
@@ -380,13 +379,13 @@ int wfx_probe(struct wfx_dev *wdev)
if (wfx_api_older_than(wdev, 1, 0)) {
dev_err(wdev->dev, "unsupported firmware API version (expect 1 while firmware returns %d)\n",
wdev->hw_caps.api_version_major);
- err = -ENOTSUPP;
- goto err0;
+ err = -EOPNOTSUPP;
+ goto bh_unregister;
}

if (wdev->hw_caps.link_mode == SEC_LINK_ENFORCED) {
dev_err(wdev->dev, "chip require secure_link, but can't negotiate it\n");
- goto err0;
+ goto bh_unregister;
}

if (wdev->hw_caps.region_sel_mode) {
@@ -401,12 +400,12 @@ int wfx_probe(struct wfx_dev *wdev)
dev_dbg(wdev->dev, "sending configuration file %s\n", wdev->pdata.file_pds);
err = wfx_send_pdata_pds(wdev);
if (err < 0 && err != -ENOENT)
- goto err0;
+ goto bh_unregister;

wdev->poll_irq = false;
err = wdev->hwbus_ops->irq_subscribe(wdev->hwbus_priv);
if (err)
- goto err0;
+ goto bh_unregister;

err = wfx_hif_use_multi_tx_conf(wdev, true);
if (err)
@@ -444,19 +443,19 @@ int wfx_probe(struct wfx_dev *wdev)

err = ieee80211_register_hw(wdev->hw);
if (err)
- goto err1;
+ goto irq_unsubscribe;

err = wfx_debug_init(wdev);
if (err)
- goto err2;
+ goto ieee80211_unregister;

return 0;

-err2:
+ieee80211_unregister:
ieee80211_unregister_hw(wdev->hw);
-err1:
+irq_unsubscribe:
wdev->hwbus_ops->irq_unsubscribe(wdev->hwbus_priv);
-err0:
+bh_unregister:
wfx_bh_unregister(wdev);
return err;
}
--
2.34.1