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| author | Chen Ni <nichen@iscas.ac.cn> | 2024-07-05 12:28:00 +0300 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2024-08-01 15:40:14 +0300 |
| commit | fea88a13a5d14b9f56fa338b47f2044806b3e64d (patch) | |
| tree | 3b2cc81667439117dfde150a0637b4967b3dfb59 /drivers/video | |
| parent | 8400291e289ee6b2bf9779ff1c83a291501f017b (diff) | |
| download | linux-fea88a13a5d14b9f56fa338b47f2044806b3e64d.tar.xz | |
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/video')
| -rw-r--r-- | drivers/video/backlight/l4f00242t03.c | 5 |
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; |