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backlight: sky81452-backlight: Fix refcount imbalance on error 

[ Upstream commit b7a4f80bc316a56d6ec8750e93e66f42431ed960 ]

When of_property_read_u32_array() returns an error code, a
pairing refcount decrement is needed to keep np's refcount
balanced.

Fixes: f705806c9f355 ("backlight: Add support Skyworks SKY81452 backlight driver")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
dinghao.liu@zju.edu.cn 2020-08-20 14:38:17 +08:00 committed by Kaixu Xia
parent 295212d555
commit ea5ab2452a
1 changed files with 1 additions and 0 deletions
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1
drivers/video/backlight/sky81452-backlight.c
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@ -196,6 +196,7 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt(
num_entry);
if (ret < 0) {
dev_err(dev, "led-sources node is invalid.\n");
of_node_put(np);
return ERR_PTR(-EINVAL);
}