From: Dan Carpenter dan.carpenter@oracle.com
stable inclusion from stable-v5.10.121 commit 0e0faa14316b96f0556748f00e5aae3ce6c1f5f4 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 907ed123b9d096c73e9361f6cd4097f0691497f2 ]
This code does not call of_node_put(opp_np) if of_get_next_available_child() returns NULL. But it should.
Fixes: 45679f9b508f ("opp: Don't parse icc paths unnecessarily") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/opp/of.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/opp/of.c b/drivers/opp/of.c index 5de46aa99d24..3d7adc0de128 100644 --- a/drivers/opp/of.c +++ b/drivers/opp/of.c @@ -346,11 +346,11 @@ static int _bandwidth_supported(struct device *dev, struct opp_table *opp_table)
/* Checking only first OPP is sufficient */ np = of_get_next_available_child(opp_np, NULL); + of_node_put(opp_np); if (!np) { dev_err(dev, "OPP table empty\n"); return -EINVAL; } - of_node_put(opp_np);
prop = of_find_property(np, "opp-peak-kBps", NULL); of_node_put(np);