* [PATCH AUTOSEL 4.9 13/13] arm: mach-spear: Add missing of_node_put() in time.c [not found] <20220628022657.597208-1-sashal@kernel.org> @ 2022-06-28 2:26 ` Sasha Levin 0 siblings, 0 replies; 2+ messages in thread From: Sasha Levin @ 2022-06-28 2:26 UTC (permalink / raw) To: linux-kernel, stable Cc: Liang He, Viresh Kumar, Arnd Bergmann, Sasha Levin, vireshk, shiraz.linux.kernel, soc, linux, linux-arm-kernel From: Liang He <windhl@126.com> [ Upstream commit 2c629dd2d14fd7f64a553f809eda6d0b3a4f615a ] In spear_setup_of_timer(), of_find_matching_node() will return a node pointer with refcount incrementd. We should use of_node_put() in each fail path or when it is not used anymore. Signed-off-by: Liang He <windhl@126.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/20220616093027.3984903-1-windhl@126.com' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/arm/mach-spear/time.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c index aaaa6781b9fe..57b77c7effa9 100644 --- a/arch/arm/mach-spear/time.c +++ b/arch/arm/mach-spear/time.c @@ -223,13 +223,13 @@ void __init spear_setup_of_timer(void) irq = irq_of_parse_and_map(np, 0); if (!irq) { pr_err("%s: No irq passed for timer via DT\n", __func__); - return; + goto err_put_np; } gpt_base = of_iomap(np, 0); if (!gpt_base) { pr_err("%s: of iomap failed\n", __func__); - return; + goto err_put_np; } gpt_clk = clk_get_sys("gpt0", NULL); @@ -244,6 +244,8 @@ void __init spear_setup_of_timer(void) goto err_prepare_enable_clk; } + of_node_put(np); + spear_clockevent_init(irq); spear_clocksource_init(); @@ -253,4 +255,6 @@ void __init spear_setup_of_timer(void) clk_put(gpt_clk); err_iomap: iounmap(gpt_base); +err_put_np: + of_node_put(np); } -- 2.35.1 ^ permalink raw reply related [flat|nested] 2+ messages in thread
[parent not found: <20220914090540.471725-1-sashal@kernel.org>]
* [PATCH AUTOSEL 4.9 13/13] arm: mach-spear: Add missing of_node_put() in time.c [not found] <20220914090540.471725-1-sashal@kernel.org> @ 2022-09-14 9:05 ` Sasha Levin 0 siblings, 0 replies; 2+ messages in thread From: Sasha Levin @ 2022-09-14 9:05 UTC (permalink / raw) To: linux-kernel, stable Cc: Liang He, Viresh Kumar, Arnd Bergmann, Sasha Levin, vireshk, shiraz.linux.kernel, soc, linux, linux-arm-kernel From: Liang He <windhl@126.com> [ Upstream commit 2c629dd2d14fd7f64a553f809eda6d0b3a4f615a ] In spear_setup_of_timer(), of_find_matching_node() will return a node pointer with refcount incrementd. We should use of_node_put() in each fail path or when it is not used anymore. Signed-off-by: Liang He <windhl@126.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/20220616093027.3984903-1-windhl@126.com' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/arm/mach-spear/time.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c index aaaa6781b9fea..57b77c7effa9a 100644 --- a/arch/arm/mach-spear/time.c +++ b/arch/arm/mach-spear/time.c @@ -223,13 +223,13 @@ void __init spear_setup_of_timer(void) irq = irq_of_parse_and_map(np, 0); if (!irq) { pr_err("%s: No irq passed for timer via DT\n", __func__); - return; + goto err_put_np; } gpt_base = of_iomap(np, 0); if (!gpt_base) { pr_err("%s: of iomap failed\n", __func__); - return; + goto err_put_np; } gpt_clk = clk_get_sys("gpt0", NULL); @@ -244,6 +244,8 @@ void __init spear_setup_of_timer(void) goto err_prepare_enable_clk; } + of_node_put(np); + spear_clockevent_init(irq); spear_clocksource_init(); @@ -253,4 +255,6 @@ void __init spear_setup_of_timer(void) clk_put(gpt_clk); err_iomap: iounmap(gpt_base); +err_put_np: + of_node_put(np); } -- 2.35.1 ^ permalink raw reply related [flat|nested] 2+ messages in thread
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2022-06-28 2:26 ` [PATCH AUTOSEL 4.9 13/13] arm: mach-spear: Add missing of_node_put() in time.c Sasha Levin
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