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authorChen Ni2024-07-05 17:28:00 +0800
committerLee Jones2024-08-01 13:40:14 +0100
commitfea88a13a5d14b9f56fa338b47f2044806b3e64d (patch)
tree3b2cc81667439117dfde150a0637b4967b3dfb59 /drivers
parent8400291e289ee6b2bf9779ff1c83a291501f017b (diff)
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: Chen Ni <nichen@iscas.ac.cn> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240705092800.3221159-1-nichen@iscas.ac.cn Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/backlight/l4f00242t03.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index dd0874f8c7ff..4175a4603071 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -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;