Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 190/475] drm/tegra: Fix reference leak in tegra_dsi_ganged_probe | Date | Thu, 14 Apr 2022 15:09:35 +0200 |
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From: Miaoqian Lin <linmq006@gmail.com>
[ Upstream commit 221e3638feb8bc42143833c9a704fa89b6c366bb ]
The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this.
Fixes: e94236cde4d5 ("drm/tegra: dsi: Add ganged mode support") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/tegra/dsi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index a5d47e301c5f..13413d2b2602 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1455,8 +1455,10 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi) dsi->slave = platform_get_drvdata(gangster); of_node_put(np); - if (!dsi->slave) + if (!dsi->slave) { + put_device(&gangster->dev); return -EPROBE_DEFER; + } dsi->slave->master = dsi; } -- 2.34.1
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