From 4a4fb66119eb7135e6ce9cf61488c86f9888bb15 Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Thu, 13 Feb 2020 16:35:33 +0800 Subject: [PATCH] ARM: imx: Add missing of_node_put() After finishing using device node got from of_find_compatible_node(), of_node_put() needs to be called. Signed-off-by: Anson Huang Signed-off-by: Shawn Guo --- arch/arm/mach-imx/anatop.c | 6 ++++-- arch/arm/mach-imx/gpc.c | 1 + arch/arm/mach-imx/platsmp.c | 1 + arch/arm/mach-imx/pm-imx6.c | 2 ++ arch/arm/mach-imx/pm-imx7ulp.c | 1 + 5 files changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-imx/anatop.c b/arch/arm/mach-imx/anatop.c index 8fb68c0..ea4a596 100644 --- a/arch/arm/mach-imx/anatop.c +++ b/arch/arm/mach-imx/anatop.c @@ -94,7 +94,7 @@ void imx_anatop_post_resume(void) void __init imx_init_revision_from_anatop(void) { - struct device_node *np; + struct device_node *np, *src_np; void __iomem *anatop_base; unsigned int revision; u32 digprog; @@ -135,9 +135,10 @@ void __init imx_init_revision_from_anatop(void) void __iomem *src_base; u32 sbmr2; - np = of_find_compatible_node(NULL, NULL, + src_np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-src"); src_base = of_iomap(np, 0); + of_node_put(src_np); WARN_ON(!src_base); sbmr2 = readl_relaxed(src_base + SRC_SBMR2); iounmap(src_base); @@ -149,6 +150,7 @@ void __init imx_init_revision_from_anatop(void) } } } + of_node_put(np); mxc_set_cpu_type(digprog >> 16 & 0xff); imx_set_soc_revision(revision); diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index e96baa4..fb3cba8 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -282,4 +282,5 @@ void __init imx_gpc_check_dt(void) /* map GPC, so that at least CPUidle and WARs keep working */ gpc_base = of_iomap(np, 0); } + of_node_put(np); } diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 2aa2692..cf4e933 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -109,6 +109,7 @@ static void __init ls1021a_smp_prepare_cpus(unsigned int max_cpus) np = of_find_compatible_node(NULL, NULL, "fsl,ls1021a-dcfg"); dcfg_base = of_iomap(np, 0); + of_node_put(np); BUG_ON(!dcfg_base); paddr = __pa_symbol(secondary_startup); diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 1c0ecad3..dd34dff 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -655,6 +655,8 @@ void __init imx6_pm_ccm_init(const char *ccm_compat) if (of_property_read_bool(np, "fsl,pmic-stby-poweroff")) imx6_pm_stby_poweroff_probe(); + + of_node_put(np); } void __init imx6q_pm_init(void) diff --git a/arch/arm/mach-imx/pm-imx7ulp.c b/arch/arm/mach-imx/pm-imx7ulp.c index 7b2f738..2e756d8 100644 --- a/arch/arm/mach-imx/pm-imx7ulp.c +++ b/arch/arm/mach-imx/pm-imx7ulp.c @@ -62,6 +62,7 @@ void __init imx7ulp_pm_init(void) np = of_find_compatible_node(NULL, NULL, "fsl,imx7ulp-smc1"); smc1_base = of_iomap(np, 0); + of_node_put(np); WARN_ON(!smc1_base); imx7ulp_set_lpm(ULP_PM_RUN); -- 2.7.4