* [PATCH] backlight: l4f00242t03: Add a single error handling block at the end of the function.
@ 2021-09-07 6:23 Cai Huoqing
0 siblings, 0 replies; only message in thread
From: Cai Huoqing @ 2021-09-07 6:23 UTC (permalink / raw)
To: caihuoqing
Cc: Lee Jones, Daniel Thompson, Jingoo Han, dri-devel, linux-fbdev,
linux-kernel
A single error handling block at the end of the function could
be brought in to make code a little more concise.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
drivers/video/backlight/l4f00242t03.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 46f97d1c3d21..c6f540f1b507 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -65,14 +65,12 @@ static void l4f00242t03_lcd_init(struct spi_device *spi)
ret = regulator_set_voltage(priv->core_reg, 2800000, 2800000);
if (ret) {
dev_err(&spi->dev, "failed to set the core regulator voltage.\n");
- regulator_disable(priv->io_reg);
- return;
+ goto err_disable_reg;
}
ret = regulator_enable(priv->core_reg);
if (ret) {
dev_err(&spi->dev, "failed to enable the core regulator.\n");
- regulator_disable(priv->io_reg);
- return;
+ goto err_disable_reg;
}
l4f00242t03_reset(priv->reset);
@@ -80,6 +78,10 @@ static void l4f00242t03_lcd_init(struct spi_device *spi)
gpiod_set_value(priv->enable, 1);
msleep(60);
spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16));
+ return;
+
+err_disable_reg:
+ regulator_disable(priv->io_reg);
}
static void l4f00242t03_lcd_powerdown(struct spi_device *spi)
--
2.25.1
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