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csky: Don't leak device tree node reference 

of_find_node_by_type() acquires a reference to the node returned by it
and that reference needs to be dropped by its caller. setup_smp()
doesn't do that, so fix it by converting to for_each_of_cpu_node().

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
This commit is contained in:
Yangtao Li 2018-12-27 12:45:51 -05:00 committed by Guo Ren
parent 7566ec393f
commit 398539dd69
1 changed files with 1 additions and 1 deletions
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2
arch/csky/kernel/smp.c
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@ -138,7 +138,7 @@ void __init setup_smp(void)
struct device_node *node = NULL;
int cpu;
while ((node = of_find_node_by_type(node, "cpu"))) {
for_each_of_cpu_node(node) {
if (!of_device_is_available(node))
continue;