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| author | Yangtao Li <tiny.windzz@gmail.com> | 2018-11-21 07:49:12 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-12 19:47:01 +0100 |
| commit | b0b10168d1b380be1ff905facf824ee4d2ce3360 (patch) | |
| tree | 60f2c47b4be6424d1d020608c3a9c39f27c76646 /drivers/soc | |
| parent | 504dcc424d28ea4e5f0087320d60b63afac9a3ef (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; } |