* [PATCH] of: unittest: Fix np reference leak in of_unittest_dma_ranges_one()
@ 2026-09-17 12:52 Wentao Liang
0 siblings, 0 replies; only message in thread
From: Wentao Liang @ 2026-09-17 12:52 UTC (permalink / raw)
To: devicetree
Cc: f.fainelli, frowand.list, jim2101024, linux-kernel, robh,
saravanak, Wentao Liang, stable
When the bogus device allocation fails the function returns early and
never drops the reference obtained from of_find_node_by_path(). Add the
missing of_node_put() so the node reference is not leaked.
Fixes: a8d61a9112ad ("of: unittest: fix warning on PowerPC frame size warning")
Cc: stable@vger.kernel.org
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
---
drivers/of/unittest.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index d1a88a043300..226debdaa5c1 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1141,6 +1141,7 @@ static void __init of_unittest_dma_ranges_one(const char *path,
if (!dev_bogus) {
unittest(0, "kzalloc() failed\n");
kfree(map);
+ of_node_put(np);
return;
}
--
2.34.1
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2026-09-17 12:52 [PATCH] of: unittest: Fix np reference leak in of_unittest_dma_ranges_one() Wentao Liang
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