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soc: bcm: brcmstb: Don't leak device tree node reference

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[ Upstream commit 1861a7f07e ]

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

[treding: slightly rewrite to avoid inline comparison]

Fixes: d52fad2620 ("soc: add stubs for brcmstb SoC's")
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yangtao Li 2018-11-24 09:52:23 -05:00 committed by Greg Kroah-Hartman
parent a1ef7d5da9
commit fa24ad75cf
1 changed files with 5 additions and 1 deletions
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6
drivers/soc/bcm/brcmstb/common.c
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@ -31,13 +31,17 @@ static const struct of_device_id brcmstb_machine_match[] = {
bool soc_is_brcmstb(void)
{
const struct of_device_id *match;
struct device_node *root;
root = of_find_node_by_path("/");
if (!root)
return false;
return of_match_node(brcmstb_machine_match, root) != NULL;
match = of_match_node(brcmstb_machine_match, root);
of_node_put(root);
return match != NULL;
}
static const struct of_device_id sun_top_ctrl_match[] = {