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Code Issues Releases Wiki Activity

soc/tegra: Don't leak device tree node reference

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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_tegra()
doesn't do that, so fix it.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
[treding: slightly rewrite to avoid inline comparison]
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Yangtao Li 2018-11-21 07:49:12 -05:00 committed by Thierry Reding
parent 1866d58be7
commit 9eb40fa2cd
1 changed files with 5 additions and 1 deletions
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6
drivers/soc/tegra/common.c
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@ -22,11 +22,15 @@ static const struct of_device_id tegra_machine_match[] = {
bool soc_is_tegra(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(tegra_machine_match, root) != NULL;
match = of_match_node(tegra_machine_match, root);
of_node_put(root);
return match != NULL;
}