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backlight: lm3630a_bl: Put fwnode in error case during ->probe()

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device_for_each_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.

Cc: Brian Masney <masneyb@onstation.org>
Cc: Dan Murphy <dmurphy@ti.com>
Fixes: 8fbce8efe1 ("backlight: lm3630a: Add firmware node support")
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Andy Shevchenko 2021-05-10 12:57:16 +03:00 committed by Lee Jones
parent 6efb943b86
commit 6d1c32dbed
1 changed files with 3 additions and 1 deletions
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4
drivers/video/backlight/lm3630a_bl.c
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@ -482,8 +482,10 @@ static int lm3630a_parse_node(struct lm3630a_chip *pchip,
device_for_each_child_node(pchip->dev, node) {
ret = lm3630a_parse_bank(pdata, node, &seen_led_sources);
if (ret)
if (ret) {
fwnode_handle_put(node);
return ret;
}
}
return ret;