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bus: qcom: Put child node before return 

[ Upstream commit ac6ad7c2a862d682bb584a4bc904d89fa7721af8 ]

Put child node before return to fix potential reference count leak.
Generally, the reference count of child is incremented and decremented
automatically in the macro for_each_available_child_of_node() and should
be decremented manually if the loop is broken in loop body.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Fixes: 335a127548 ("bus: qcom: add EBI2 driver")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Link: https://lore.kernel.org/r/20210121114907.109267-1-bianpan2016@163.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pan Bian 2021-01-21 03:49:07 -08:00 committed by Greg Kroah-Hartman
parent 5880afefe0
commit 3a76ec2882
1 changed files with 3 additions and 1 deletions
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4
drivers/bus/qcom-ebi2.c
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@ -353,8 +353,10 @@ static int qcom_ebi2_probe(struct platform_device *pdev)
/* Figure out the chipselect */
ret = of_property_read_u32(child, "reg", &csindex);
if (ret)
if (ret) {
of_node_put(child);
return ret;
}
if (csindex > 5) {
dev_err(dev,