From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Jonathan Cameron <jic23@kernel.org>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Rob Herring <robh+dt@kernel.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Lee Jones <lee.jones@linaro.org>,
bcousson@baylibre.com, Tony Lindgren <tony@atomide.com>
Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-input@vger.kernel.org, linux-omap@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
Tero Kristo <kristo@kernel.org>,
Ryan Barnett <ryan.barnett@collins.com>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Jason Reeder <jreeder@ti.com>,
Miquel Raynal <miquel.raynal@bootlin.com>
Subject: [PATCH v2 11/46] mfd: ti_am335x_tscadc: Ensure a balanced number of node get/put
Date: Thu, 2 Sep 2021 23:51:09 +0200 [thread overview]
Message-ID: <20210902215144.507243-12-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20210902215144.507243-1-miquel.raynal@bootlin.com>
of_node_put() should be called after a successful of_get_child_by_name().
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
drivers/mfd/ti_am335x_tscadc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index 858bd22c60f0..763bbc33fc3f 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -134,6 +134,7 @@ static int ti_tscadc_probe(struct platform_device *pdev)
node = of_get_child_by_name(pdev->dev.of_node, "tsc");
of_property_read_u32(node, "ti,wires", &tsc_wires);
of_property_read_u32(node, "ti,coordiante-readouts", &readouts);
+ of_node_put(node);
node = of_get_child_by_name(pdev->dev.of_node, "adc");
of_property_for_each_u32(node, "ti,adc-channels", prop, cur, val) {
@@ -141,10 +142,13 @@ static int ti_tscadc_probe(struct platform_device *pdev)
if (val > 7) {
dev_err(&pdev->dev, " PIN numbers are 0..7 (not %d)\n",
val);
+ of_node_put(node);
return -EINVAL;
}
}
+ of_node_put(node);
+
total_channels = tsc_wires + adc_channels;
if (total_channels > 8) {
dev_err(&pdev->dev, "Number of i/p channels more than 8\n");
--
2.27.0
next prev parent reply other threads:[~2021-09-02 21:52 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-02 21:50 [PATCH v2 00/46] TI AM437X ADC1 Miquel Raynal
2021-09-02 21:50 ` [PATCH v2 01/46] clk: ti: am43xx: Add clkctrl data for am43xx ADC1 Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 02/46] dt-bindings: mfd: ti,am3359-tscadc: Add a yaml description for this MFD Miquel Raynal
2021-09-03 16:05 ` Rob Herring
2021-09-05 11:57 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 03/46] dt-bindings: touchscreen: ti,am3359-tsc: New yaml description Miquel Raynal
2021-09-03 16:06 ` Rob Herring
2021-09-05 11:59 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 04/46] dt-bindings: iio: adc: ti,am3359-adc: " Miquel Raynal
2021-09-03 16:07 ` Rob Herring
2021-09-02 21:51 ` [PATCH v2 05/46] dt-bindings: touchscreen: ti,am3359-tsc: Remove deprecated text file Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 06/46] dt-bindings: mfd: ti,am3359-tscadc: Describe am4372 MFD compatible Miquel Raynal
2021-09-05 12:01 ` Jonathan Cameron
2021-09-07 19:04 ` Rob Herring
2021-09-02 21:51 ` [PATCH v2 07/46] dt-bindings: iio: adc: ti,am3359-adc: Describe am4372 ADC compatible Miquel Raynal
2021-09-07 19:05 ` Rob Herring
2021-09-02 21:51 ` [PATCH v2 08/46] mfd: ti_am335x_tscadc: Replace license text with SPDX tag Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 09/46] mfd: ti_am335x_tscadc: Fix style Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 10/46] mfd: ti_am335x_tscadc: Drop extra spacing when declaring stack variables Miquel Raynal
2021-09-05 12:03 ` Jonathan Cameron
2021-09-02 21:51 ` Miquel Raynal [this message]
2021-09-05 12:06 ` [PATCH v2 11/46] mfd: ti_am335x_tscadc: Ensure a balanced number of node get/put Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 12/46] mfd: ti_am335x_tscadc: Get rid of useless gotos Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 13/46] mfd: ti_am335x_tscadc: Reword the comment explaining the dividers Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 14/46] mfd: ti_am335x_tscadc: Don't search the tree for our clock Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 15/46] mfd: ti_am335x_tscadc: Simplify divisor calculation Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 16/46] mfd: ti_am335x_tscadc: Move the driver structure allocation earlier Miquel Raynal
2021-09-05 12:09 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 17/46] mfd: ti_am335x_tscadc: Use driver data Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 18/46] mfd: ti_am335x_tscadc: Mimic the probe from resume() Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 19/46] mfd: ti_am335x_tscadc: Drop useless variables from the driver structure Miquel Raynal
2021-09-05 12:11 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 20/46] mfd: ti_am335x_tscadc: Always provide an idle configuration Miquel Raynal
2021-09-05 12:13 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 21/46] mfd: ti_am335x_tscadc: Reorder the initialization steps Miquel Raynal
2021-09-05 12:18 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 22/46] mfd: ti_am335x_tscadc: Gather the ctrl register logic in one place Miquel Raynal
2021-09-05 12:20 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 23/46] mfd: ti_am335x_tscadc: Replace the header license text with SPDX tag Miquel Raynal
2021-09-05 12:21 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 24/46] mfd: ti_am335x_tscadc: Fix header spacing Miquel Raynal
2021-09-05 12:22 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 25/46] mfd: ti_am335x_tscadc: Use BIT() and GENMASK() when relevant in the header Miquel Raynal
2021-09-05 13:09 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 26/46] mfd: ti_am335x_tscadc: Use FIELD_PREP() " Miquel Raynal
2021-09-05 13:13 ` Jonathan Cameron
2021-09-15 7:48 ` Miquel Raynal
2021-09-19 15:49 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 27/46] mfd: ti_am335x_tscadc: Rename the subsystem enable macro Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 28/46] mfd: ti_am335x_tscadc: Add TSC prefix in certain macros Miquel Raynal
2021-09-05 13:15 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 29/46] mfd: ti_am335x_tscadc: Rename a variable Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 30/46] mfd: ti_am335x_tscadc: Fix an error message Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 31/46] mfd: ti_am335x_tscadc: Add a boolean to clarify the presence of a touchscreen Miquel Raynal
2021-09-05 13:17 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 32/46] mfd: ti_am335x_tscadc: Introduce has_tsc Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 33/46] mfd: ti_am335x_tscadc: Move control register configuration Miquel Raynal
2021-09-03 13:24 ` Grygorii Strashko
2021-09-05 13:18 ` Jonathan Cameron
2021-09-05 13:22 ` Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 34/46] mfd: ti_am335x_tscadc: Add ADC1/magnetic reader support Miquel Raynal
2021-09-05 13:23 ` Jonathan Cameron
2021-09-14 18:25 ` Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 35/46] mfd: ti_am335x_tscadc: Support the correctly spelled DT property Miquel Raynal
2021-09-05 13:24 ` Jonathan Cameron
2021-09-02 21:51 ` [PATCH v2 36/46] iio: adc: ti_am335x_adc: Wait the idle state to avoid stalls Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 37/46] iio: adc: ti_am335x_adc: Replace license text with SPDX tag Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 38/46] iio: adc: ti_am335x_adc: Fix style Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 39/46] iio: adc: ti_am335x_adc: Get rid of useless gotos Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 40/46] iio: adc: ti_am335x_adc: Gather the checks on the delays Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 41/46] iio: adc: ti_am335x_adc: Add a unit to the timeout delay Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 42/46] iio: adc: ti_am335x_adc: Add the scale information Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 43/46] iio: adc: ti_am335x_adc: Add the am437x compatible Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 44/46] ARM: dts: am437x-cm-t43: Use a correctly spelled DT property Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 45/46] ARM: dts: am43xx: Describe the magnetic reader/ADC1 hardware module Miquel Raynal
2021-09-02 22:17 ` Miquel Raynal
2021-09-02 21:51 ` [PATCH v2 46/46] ARM: dts: am437x-gp-evm: enable ADC1 Miquel Raynal
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