From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> To: Zhang Rui <rui.zhang@intel.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Amit Kucheria <amitk@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, Orson Zhai <orsonzhai@gmail.com>, Baolin Wang <baolin.wang7@gmail.com>, Chunyan Zhang <zhang.lyra@gmail.com>, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Subject: [RESEND PATCH 2/2] thermal: sprd: add missing of_node_put for loop iteration Date: Fri, 28 May 2021 07:50:36 -0400 [thread overview] Message-ID: <20210528115036.18222-2-krzysztof.kozlowski@canonical.com> (raw) In-Reply-To: <20210528115036.18222-1-krzysztof.kozlowski@canonical.com> Early exits from for_each_available_child_of_node() should decrement the node reference counter. Reported by Coccinelle: drivers/thermal/sprd_thermal.c:387:1-23: WARNING: Function "for_each_child_of_node" should have of_node_put() before goto around lines 391. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Chunyan Zhang <zhang.lyra@gmail.com> --- drivers/thermal/sprd_thermal.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c index 3682edb2f466..2778971aaf03 100644 --- a/drivers/thermal/sprd_thermal.c +++ b/drivers/thermal/sprd_thermal.c @@ -388,6 +388,7 @@ static int sprd_thm_probe(struct platform_device *pdev) sen = devm_kzalloc(&pdev->dev, sizeof(*sen), GFP_KERNEL); if (!sen) { ret = -ENOMEM; + of_node_put(sen_child); goto disable_clk; } @@ -397,12 +398,14 @@ static int sprd_thm_probe(struct platform_device *pdev) ret = of_property_read_u32(sen_child, "reg", &sen->id); if (ret) { dev_err(&pdev->dev, "get sensor reg failed"); + of_node_put(sen_child); goto disable_clk; } ret = sprd_thm_sensor_calibration(sen_child, thm, sen); if (ret) { dev_err(&pdev->dev, "efuse cal analysis failed"); + of_node_put(sen_child); goto disable_clk; } @@ -416,6 +419,7 @@ static int sprd_thm_probe(struct platform_device *pdev) dev_err(&pdev->dev, "register thermal zone failed %d\n", sen->id); ret = PTR_ERR(sen->tzd); + of_node_put(sen_child); goto disable_clk; } -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> To: Zhang Rui <rui.zhang@intel.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Amit Kucheria <amitk@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, Orson Zhai <orsonzhai@gmail.com>, Baolin Wang <baolin.wang7@gmail.com>, Chunyan Zhang <zhang.lyra@gmail.com>, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Subject: [RESEND PATCH 2/2] thermal: sprd: add missing of_node_put for loop iteration Date: Fri, 28 May 2021 07:50:36 -0400 [thread overview] Message-ID: <20210528115036.18222-2-krzysztof.kozlowski@canonical.com> (raw) In-Reply-To: <20210528115036.18222-1-krzysztof.kozlowski@canonical.com> Early exits from for_each_available_child_of_node() should decrement the node reference counter. Reported by Coccinelle: drivers/thermal/sprd_thermal.c:387:1-23: WARNING: Function "for_each_child_of_node" should have of_node_put() before goto around lines 391. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Acked-by: Chunyan Zhang <zhang.lyra@gmail.com> --- drivers/thermal/sprd_thermal.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c index 3682edb2f466..2778971aaf03 100644 --- a/drivers/thermal/sprd_thermal.c +++ b/drivers/thermal/sprd_thermal.c @@ -388,6 +388,7 @@ static int sprd_thm_probe(struct platform_device *pdev) sen = devm_kzalloc(&pdev->dev, sizeof(*sen), GFP_KERNEL); if (!sen) { ret = -ENOMEM; + of_node_put(sen_child); goto disable_clk; } @@ -397,12 +398,14 @@ static int sprd_thm_probe(struct platform_device *pdev) ret = of_property_read_u32(sen_child, "reg", &sen->id); if (ret) { dev_err(&pdev->dev, "get sensor reg failed"); + of_node_put(sen_child); goto disable_clk; } ret = sprd_thm_sensor_calibration(sen_child, thm, sen); if (ret) { dev_err(&pdev->dev, "efuse cal analysis failed"); + of_node_put(sen_child); goto disable_clk; } @@ -416,6 +419,7 @@ static int sprd_thm_probe(struct platform_device *pdev) dev_err(&pdev->dev, "register thermal zone failed %d\n", sen->id); ret = PTR_ERR(sen->tzd); + of_node_put(sen_child); goto disable_clk; } -- 2.27.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-05-28 11:51 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-28 11:50 [RESEND PATCH 1/2] thermal: imx_sc: add missing of_node_put for loop iteration Krzysztof Kozlowski 2021-05-28 11:50 ` Krzysztof Kozlowski 2021-05-28 11:50 ` Krzysztof Kozlowski [this message] 2021-05-28 11:50 ` [RESEND PATCH 2/2] thermal: sprd: " Krzysztof Kozlowski 2021-06-14 17:28 ` Daniel Lezcano 2021-06-14 17:28 ` Daniel Lezcano 2021-06-14 19:16 ` Krzysztof Kozlowski 2021-06-14 19:16 ` Krzysztof Kozlowski
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