* [PATCH v2 1/2] thermal: imx_sc: add missing of_node_put for loop iteration
@ 2021-06-14 19:22 ` Krzysztof Kozlowski
0 siblings, 0 replies; 6+ messages in thread
From: Krzysztof Kozlowski @ 2021-06-14 19:22 UTC (permalink / raw)
To: Zhang Rui, Daniel Lezcano, Amit Kucheria, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
NXP Linux Team, Orson Zhai, Baolin Wang, Chunyan Zhang, linux-pm,
linux-arm-kernel, linux-kernel
Cc: Krzysztof Kozlowski, Jacky Bai
Early exits from for_each_available_child_of_node() should decrement the
node reference counter. Reported by Coccinelle:
drivers/thermal/imx_sc_thermal.c:93:1-33: WARNING:
Function "for_each_available_child_of_node" should have of_node_put() before return around line 97.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
---
Changes since v1:
1. None.
---
drivers/thermal/imx_sc_thermal.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c
index b01d28eca7ee..8d76dbfde6a9 100644
--- a/drivers/thermal/imx_sc_thermal.c
+++ b/drivers/thermal/imx_sc_thermal.c
@@ -93,6 +93,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev)
for_each_available_child_of_node(np, child) {
sensor = devm_kzalloc(&pdev->dev, sizeof(*sensor), GFP_KERNEL);
if (!sensor) {
+ of_node_put(child);
of_node_put(sensor_np);
return -ENOMEM;
}
@@ -104,6 +105,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"failed to get valid sensor resource id: %d\n",
ret);
+ of_node_put(child);
break;
}
@@ -114,6 +116,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev)
if (IS_ERR(sensor->tzd)) {
dev_err(&pdev->dev, "failed to register thermal zone\n");
ret = PTR_ERR(sensor->tzd);
+ of_node_put(child);
break;
}
--
2.27.0
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linux-arm-kernel@lists.infradead.org
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^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v2 2/2] thermal: sprd: add missing of_node_put for loop iteration
2021-06-14 19:22 ` Krzysztof Kozlowski
@ 2021-06-14 19:22 ` Krzysztof Kozlowski
-1 siblings, 0 replies; 6+ messages in thread
From: Krzysztof Kozlowski @ 2021-06-14 19:22 UTC (permalink / raw)
To: Zhang Rui, Daniel Lezcano, Amit Kucheria, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
NXP Linux Team, Orson Zhai, Baolin Wang, Chunyan Zhang, linux-pm,
linux-arm-kernel, linux-kernel
Cc: Krzysztof Kozlowski
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>
---
Changes since v1:
1. Add of_put label as suggested by Daniel.
---
drivers/thermal/sprd_thermal.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index 3682edb2f466..76a2caa9c265 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -388,7 +388,7 @@ static int sprd_thm_probe(struct platform_device *pdev)
sen = devm_kzalloc(&pdev->dev, sizeof(*sen), GFP_KERNEL);
if (!sen) {
ret = -ENOMEM;
- goto disable_clk;
+ goto of_put;
}
sen->data = thm;
@@ -397,13 +397,13 @@ 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");
- goto disable_clk;
+ goto of_put;
}
ret = sprd_thm_sensor_calibration(sen_child, thm, sen);
if (ret) {
dev_err(&pdev->dev, "efuse cal analysis failed");
- goto disable_clk;
+ goto of_put;
}
sprd_thm_sensor_init(thm, sen);
@@ -416,19 +416,20 @@ 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);
- goto disable_clk;
+ goto of_put;
}
thm->sensor[sen->id] = sen;
}
+ /* sen_child set to NULL at this point */
ret = sprd_thm_set_ready(thm);
if (ret)
- goto disable_clk;
+ goto of_put;
ret = sprd_thm_wait_temp_ready(thm);
if (ret)
- goto disable_clk;
+ goto of_put;
for (i = 0; i < thm->nr_sensors; i++)
sprd_thm_toggle_sensor(thm->sensor[i], true);
@@ -436,6 +437,8 @@ static int sprd_thm_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, thm);
return 0;
+of_put:
+ of_node_put(sen_child);
disable_clk:
clk_disable_unprepare(thm->clk);
return ret;
--
2.27.0
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v2 2/2] thermal: sprd: add missing of_node_put for loop iteration
@ 2021-06-14 19:22 ` Krzysztof Kozlowski
0 siblings, 0 replies; 6+ messages in thread
From: Krzysztof Kozlowski @ 2021-06-14 19:22 UTC (permalink / raw)
To: Zhang Rui, Daniel Lezcano, Amit Kucheria, Shawn Guo,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
NXP Linux Team, Orson Zhai, Baolin Wang, Chunyan Zhang, linux-pm,
linux-arm-kernel, linux-kernel
Cc: Krzysztof Kozlowski
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>
---
Changes since v1:
1. Add of_put label as suggested by Daniel.
---
drivers/thermal/sprd_thermal.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index 3682edb2f466..76a2caa9c265 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -388,7 +388,7 @@ static int sprd_thm_probe(struct platform_device *pdev)
sen = devm_kzalloc(&pdev->dev, sizeof(*sen), GFP_KERNEL);
if (!sen) {
ret = -ENOMEM;
- goto disable_clk;
+ goto of_put;
}
sen->data = thm;
@@ -397,13 +397,13 @@ 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");
- goto disable_clk;
+ goto of_put;
}
ret = sprd_thm_sensor_calibration(sen_child, thm, sen);
if (ret) {
dev_err(&pdev->dev, "efuse cal analysis failed");
- goto disable_clk;
+ goto of_put;
}
sprd_thm_sensor_init(thm, sen);
@@ -416,19 +416,20 @@ 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);
- goto disable_clk;
+ goto of_put;
}
thm->sensor[sen->id] = sen;
}
+ /* sen_child set to NULL at this point */
ret = sprd_thm_set_ready(thm);
if (ret)
- goto disable_clk;
+ goto of_put;
ret = sprd_thm_wait_temp_ready(thm);
if (ret)
- goto disable_clk;
+ goto of_put;
for (i = 0; i < thm->nr_sensors; i++)
sprd_thm_toggle_sensor(thm->sensor[i], true);
@@ -436,6 +437,8 @@ static int sprd_thm_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, thm);
return 0;
+of_put:
+ of_node_put(sen_child);
disable_clk:
clk_disable_unprepare(thm->clk);
return ret;
--
2.27.0
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 6+ messages in thread* [thermal: thermal/next] thermal/drivers/sprd: Add missing of_node_put for loop iteration
2021-06-14 19:22 ` Krzysztof Kozlowski
(?)
@ 2021-06-21 9:46 ` thermal-bot for Krzysztof Kozlowski
-1 siblings, 0 replies; 6+ messages in thread
From: thermal-bot for Krzysztof Kozlowski @ 2021-06-21 9:46 UTC (permalink / raw)
To: linux-pm
Cc: Krzysztof Kozlowski, Chunyan Zhang, Daniel Lezcano, rui.zhang, amitk
The following commit has been merged into the thermal/next branch of thermal:
Commit-ID: d8ac5bb4ae653e092d7429a7587b73f1662d6ad7
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//d8ac5bb4ae653e092d7429a7587b73f1662d6ad7
Author: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
AuthorDate: Mon, 14 Jun 2021 21:22:30 +02:00
Committer: Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Mon, 14 Jun 2021 22:42:09 +02:00
thermal/drivers/sprd: Add missing of_node_put for loop iteration
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>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210614192230.19248-2-krzysztof.kozlowski@canonical.com
---
drivers/thermal/sprd_thermal.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index fe06ccc..fff80fc 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -388,7 +388,7 @@ static int sprd_thm_probe(struct platform_device *pdev)
sen = devm_kzalloc(&pdev->dev, sizeof(*sen), GFP_KERNEL);
if (!sen) {
ret = -ENOMEM;
- goto disable_clk;
+ goto of_put;
}
sen->data = thm;
@@ -397,13 +397,13 @@ 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");
- goto disable_clk;
+ goto of_put;
}
ret = sprd_thm_sensor_calibration(sen_child, thm, sen);
if (ret) {
dev_err(&pdev->dev, "efuse cal analysis failed");
- goto disable_clk;
+ goto of_put;
}
sprd_thm_sensor_init(thm, sen);
@@ -416,19 +416,20 @@ 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);
- goto disable_clk;
+ goto of_put;
}
thm->sensor[sen->id] = sen;
}
+ /* sen_child set to NULL at this point */
ret = sprd_thm_set_ready(thm);
if (ret)
- goto disable_clk;
+ goto of_put;
ret = sprd_thm_wait_temp_ready(thm);
if (ret)
- goto disable_clk;
+ goto of_put;
for (i = 0; i < thm->nr_sensors; i++)
sprd_thm_toggle_sensor(thm->sensor[i], true);
@@ -436,6 +437,8 @@ static int sprd_thm_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, thm);
return 0;
+of_put:
+ of_node_put(sen_child);
disable_clk:
clk_disable_unprepare(thm->clk);
return ret;
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [thermal: thermal/next] thermal/drivers/imx_sc: Add missing of_node_put for loop iteration
2021-06-14 19:22 ` Krzysztof Kozlowski
(?)
(?)
@ 2021-06-21 9:46 ` thermal-bot for Krzysztof Kozlowski
-1 siblings, 0 replies; 6+ messages in thread
From: thermal-bot for Krzysztof Kozlowski @ 2021-06-21 9:46 UTC (permalink / raw)
To: linux-pm; +Cc: Krzysztof Kozlowski, Jacky Bai, Daniel Lezcano, rui.zhang, amitk
The following commit has been merged into the thermal/next branch of thermal:
Commit-ID: 3da97620e8d60da4a7eaae46e03e0a494780642d
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//3da97620e8d60da4a7eaae46e03e0a494780642d
Author: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
AuthorDate: Mon, 14 Jun 2021 21:22:29 +02:00
Committer: Daniel Lezcano <daniel.lezcano@linaro.org>
CommitterDate: Mon, 14 Jun 2021 22:41:00 +02:00
thermal/drivers/imx_sc: Add missing of_node_put for loop iteration
Early exits from for_each_available_child_of_node() should decrement the
node reference counter. Reported by Coccinelle:
drivers/thermal/imx_sc_thermal.c:93:1-33: WARNING:
Function "for_each_available_child_of_node" should have of_node_put() before return around line 97.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210614192230.19248-1-krzysztof.kozlowski@canonical.com
---
drivers/thermal/imx_sc_thermal.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c
index b01d28e..8d76dbf 100644
--- a/drivers/thermal/imx_sc_thermal.c
+++ b/drivers/thermal/imx_sc_thermal.c
@@ -93,6 +93,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev)
for_each_available_child_of_node(np, child) {
sensor = devm_kzalloc(&pdev->dev, sizeof(*sensor), GFP_KERNEL);
if (!sensor) {
+ of_node_put(child);
of_node_put(sensor_np);
return -ENOMEM;
}
@@ -104,6 +105,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"failed to get valid sensor resource id: %d\n",
ret);
+ of_node_put(child);
break;
}
@@ -114,6 +116,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev)
if (IS_ERR(sensor->tzd)) {
dev_err(&pdev->dev, "failed to register thermal zone\n");
ret = PTR_ERR(sensor->tzd);
+ of_node_put(child);
break;
}
^ permalink raw reply related [flat|nested] 6+ messages in thread