Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 127/545] ARM: OMAP2+: Fix refcount leak in omapdss_init_of | Date | Fri, 19 Aug 2022 17:38:17 +0200 |
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From: Miaoqian Lin <linmq006@gmail.com>
[ Upstream commit 9705db1eff38d6b9114121f9e253746199b759c9 ]
omapdss_find_dss_of_node() calls of_find_compatible_node() to get device node. of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() in later error path and normal path.
Fixes: e0c827aca0730 ("drm/omap: Populate DSS children in omapdss driver") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Message-Id: <20220601044858.3352-1-linmq006@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/arm/mach-omap2/display.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index fc635eed73ab..f24d4e56ddfc 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -260,11 +260,13 @@ static int __init omapdss_init_of(void) if (!pdev) { pr_err("Unable to find DSS platform device\n"); + of_node_put(node); return -ENODEV; } r = of_platform_populate(node, NULL, NULL, &pdev->dev); put_device(&pdev->dev); + of_node_put(node); if (r) { pr_err("Unable to populate DSS submodule devices\n"); return r; -- 2.35.1
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