* [PATCH] powerpc/512x: Hold the reference returned by of_find_compatible_node
@ 2022-06-21 8:03 Liang He
2022-09-09 12:07 ` Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Liang He @ 2022-06-21 8:03 UTC (permalink / raw)
To: agust, mpe, benh, paulus, linuxppc-dev, windhl
In mpc5121_clk_provide_migration_support(), we need to hold the
reference returned by of_find_compatible_node() and use it to call
of_node_put for refcount balance.
Signed-off-by: Liang He <windhl@126.com>
---
arch/powerpc/platforms/512x/clock-commonclk.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/512x/clock-commonclk.c b/arch/powerpc/platforms/512x/clock-commonclk.c
index ca475462e95b..42abeba4f698 100644
--- a/arch/powerpc/platforms/512x/clock-commonclk.c
+++ b/arch/powerpc/platforms/512x/clock-commonclk.c
@@ -950,7 +950,7 @@ static void __init mpc5121_clk_register_of_provider(struct device_node *np)
*/
static void __init mpc5121_clk_provide_migration_support(void)
{
-
+ struct device_node *np;
/*
* pre-enable those clock items which are not yet appropriately
* acquired by their peripheral driver
@@ -970,7 +970,9 @@ static void __init mpc5121_clk_provide_migration_support(void)
* unused and so it gets disabled
*/
clk_prepare_enable(clks[MPC512x_CLK_PSC3_MCLK]);/* serial console */
- if (of_find_compatible_node(NULL, "pci", "fsl,mpc5121-pci"))
+ np = of_find_compatible_node(NULL, "pci", "fsl,mpc5121-pci");
+ of_node_put(np);
+ if (np)
clk_prepare_enable(clks[MPC512x_CLK_PCI]);
}
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] powerpc/512x: Hold the reference returned by of_find_compatible_node
2022-06-21 8:03 [PATCH] powerpc/512x: Hold the reference returned by of_find_compatible_node Liang He
@ 2022-09-09 12:07 ` Michael Ellerman
0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2022-09-09 12:07 UTC (permalink / raw)
To: linuxppc-dev, agust, paulus, Liang He, benh, mpe
On Tue, 21 Jun 2022 16:03:49 +0800, Liang He wrote:
> In mpc5121_clk_provide_migration_support(), we need to hold the
> reference returned by of_find_compatible_node() and use it to call
> of_node_put for refcount balance.
>
>
Applied to powerpc/next.
[1/1] powerpc/512x: Hold the reference returned by of_find_compatible_node
https://git.kernel.org/powerpc/c/cc0dd82c18559184e009bef8d0353d008013a813
cheers
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-06-21 8:03 [PATCH] powerpc/512x: Hold the reference returned by of_find_compatible_node Liang He
2022-09-09 12:07 ` Michael Ellerman
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