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Date: Mon, 27 Jun 2022 13:22:07 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>, Krzysztof Halasa <khalasa@...p.pl>, Arnd Bergmann <arnd@...db.de> Subject: [PATCH 5.4 56/60] ARM: cns3xxx: Fix refcount leak in cns3xxx_init From: Miaoqian Lin <linmq006@...il.com> commit 1ba904b6b16e08de5aed7c1349838d9cd0d178c5 upstream. 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() to avoid refcount leak. Fixes: 415f59142d9d ("ARM: cns3xxx: initial DT support") Signed-off-by: Miaoqian Lin <linmq006@...il.com> Acked-by: Krzysztof Halasa <khalasa@...p.pl> Signed-off-by: Arnd Bergmann <arnd@...db.de> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/arm/mach-cns3xxx/core.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm/mach-cns3xxx/core.c +++ b/arch/arm/mach-cns3xxx/core.c @@ -376,6 +376,7 @@ static void __init cns3xxx_init(void) /* De-Asscer SATA Reset */ cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SATA)); } + of_node_put(dn); dn = of_find_compatible_node(NULL, NULL, "cavium,cns3420-sdhci"); if (of_device_is_available(dn)) { @@ -389,6 +390,7 @@ static void __init cns3xxx_init(void) cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO)); cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SDIO)); } + of_node_put(dn); pm_power_off = cns3xxx_power_off;
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