Commit fea88a13 authored by Chen Ni's avatar Chen Ni Committed by Lee Jones
Browse files

backlight: l4f00242t03: Add check for spi_setup 



Add check for the return value of spi_setup() and return the error
if it fails in order to catch the error.

Signed-off-by: default avatarChen Ni <nichen@iscas.ac.cn>
Reviewed-by: default avatarDaniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240705092800.3221159-1-nichen@iscas.ac.cn


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 8400291e

drivers/video/backlight/l4f00242t03.c

+4 −1
Original line number Diff line number Diff line
@@ -166,6 +166,7 @@ static const struct lcd_ops l4f_ops = { 
static int l4f00242t03_probe(struct spi_device *spi)

{

	struct l4f00242t03_priv *priv;

	int ret;



	priv = devm_kzalloc(&spi->dev, sizeof(struct l4f00242t03_priv),

				GFP_KERNEL);
@@ -174,7 +175,9 @@ static int l4f00242t03_probe(struct spi_device *spi) 


	spi_set_drvdata(spi, priv);

	spi->bits_per_word = 9;

	spi_setup(spi);

	ret = spi_setup(spi);

	if (ret < 0)

		return dev_err_probe(&spi->dev, ret, "Unable to setup spi.\n");



	priv->spi = spi;