* [PATCH] powerpc: powernv: opal-core: Fix refcount leak bug
@ 2022-06-18 1:56 Liang He
0 siblings, 0 replies; only message in thread
From: Liang He @ 2022-06-18 1:56 UTC (permalink / raw)
To: mpe, benh, paulus, npiggin, clg, haren, christophe.leroy
Cc: windhl, linuxppc-dev, linux-kernel
In create_opalcore(), of_find_node_by_name() will return a node
pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
---
arch/powerpc/platforms/powernv/opal-core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/opal-core.c b/arch/powerpc/platforms/powernv/opal-core.c
index adcb1a1a2bfe..bb7657115f1d 100644
--- a/arch/powerpc/platforms/powernv/opal-core.c
+++ b/arch/powerpc/platforms/powernv/opal-core.c
@@ -348,6 +348,8 @@ static int __init create_opalcore(void)
if (!dn || ret)
pr_warn("WARNING: Failed to read OPAL base & entry values\n");
+ of_node_put(dn);
+
/* Use count to keep track of the program headers */
count = 0;
--
2.25.1
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2022-06-18 1:56 [PATCH] powerpc: powernv: opal-core: Fix refcount leak bug Liang He
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