diff options
author | Yangtao Li <tiny.windzz@gmail.com> | 2018-11-21 07:49:12 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-20 10:13:06 +0100 |
commit | f936083094d8c13444aa1d1af586f282ff542191 (patch) | |
tree | cb937b61329b4bb61d0e57ad519041ba0eaae436 /drivers/soc | |
parent | 1e94c7b4db9abc95320f98bc23eea1878cd80e01 (diff) |
soc/tegra: Don't leak device tree node reference
[ Upstream commit 9eb40fa2cd2d1f6829e7b49bb22692f754b9cfe0 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/soc')
-rw-r--r-- | drivers/soc/tegra/common.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/soc/tegra/common.c b/drivers/soc/tegra/common.c index cd8f41351add..7bfb154d6fa5 100644 --- a/drivers/soc/tegra/common.c +++ b/drivers/soc/tegra/common.c @@ -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; } |