[PATCH 1/3] wilc1000: use goto labels on error path
From: Claudiu Beznea
Date: Fri Aug 06 2021 - 04:14:47 EST
Use goto labels on error path for probe functions. This makes code easier
to read. With this introduce also netdev_cleanup and call it where
necessary.
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
---
drivers/net/wireless/microchip/wilc1000/sdio.c | 16 ++++++++++------
drivers/net/wireless/microchip/wilc1000/spi.c | 16 ++++++++++------
2 files changed, 20 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c
index e14b9fc2c67a..d11f245542e7 100644
--- a/drivers/net/wireless/microchip/wilc1000/sdio.c
+++ b/drivers/net/wireless/microchip/wilc1000/sdio.c
@@ -129,10 +129,8 @@ static int wilc_sdio_probe(struct sdio_func *func,
ret = wilc_cfg80211_init(&wilc, &func->dev, WILC_HIF_SDIO,
&wilc_hif_sdio);
- if (ret) {
- kfree(sdio_priv);
- return ret;
- }
+ if (ret)
+ goto free;
if (IS_ENABLED(CONFIG_WILC1000_HW_OOB_INTR)) {
struct device_node *np = func->card->dev.of_node;
@@ -150,13 +148,19 @@ static int wilc_sdio_probe(struct sdio_func *func,
wilc->rtc_clk = devm_clk_get(&func->card->dev, "rtc");
if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) {
- kfree(sdio_priv);
- return -EPROBE_DEFER;
+ ret = -EPROBE_DEFER;
+ goto netdev_cleanup;
} else if (!IS_ERR(wilc->rtc_clk))
clk_prepare_enable(wilc->rtc_clk);
dev_info(&func->dev, "Driver Initializing success\n");
return 0;
+
+netdev_cleanup:
+ wilc_netdev_cleanup(wilc);
+free:
+ kfree(sdio_priv);
+ return ret;
}
static void wilc_sdio_remove(struct sdio_func *func)
diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c
index 8e9aaf03a6fa..23d811b2b925 100644
--- a/drivers/net/wireless/microchip/wilc1000/spi.c
+++ b/drivers/net/wireless/microchip/wilc1000/spi.c
@@ -154,10 +154,8 @@ static int wilc_bus_probe(struct spi_device *spi)
return -ENOMEM;
ret = wilc_cfg80211_init(&wilc, &spi->dev, WILC_HIF_SPI, &wilc_hif_spi);
- if (ret) {
- kfree(spi_priv);
- return ret;
- }
+ if (ret)
+ goto free;
spi_set_drvdata(spi, wilc);
wilc->dev = &spi->dev;
@@ -166,12 +164,18 @@ static int wilc_bus_probe(struct spi_device *spi)
wilc->rtc_clk = devm_clk_get(&spi->dev, "rtc");
if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) {
- kfree(spi_priv);
- return -EPROBE_DEFER;
+ ret = -EPROBE_DEFER;
+ goto netdev_cleanup;
} else if (!IS_ERR(wilc->rtc_clk))
clk_prepare_enable(wilc->rtc_clk);
return 0;
+
+netdev_cleanup:
+ wilc_netdev_cleanup(wilc);
+free:
+ kfree(spi_priv);
+ return ret;
}
static int wilc_bus_remove(struct spi_device *spi)
--
2.25.1