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From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Jonathan Cameron <jic23@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Michal Simek <michal.simek@xilinx.com>
Cc: linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: [PATCH 2/5] iio: adc: xilinx: use devm_krealloc() instead of kfree() + kcalloc()
Date: Mon, 26 Oct 2020 14:36:06 +0100	[thread overview]
Message-ID: <20201026133609.24262-3-brgl@bgdev.pl> (raw)
In-Reply-To: <20201026133609.24262-1-brgl@bgdev.pl>

From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

We now have devm_krealloc() in the kernel Use it indstead of calling
kfree() and kcalloc() separately.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 drivers/iio/adc/xilinx-xadc-core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index 8494eb424b33..b516280ccbd4 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -589,8 +589,9 @@ static int xadc_update_scan_mode(struct iio_dev *indio_dev,
 
 	n = bitmap_weight(mask, indio_dev->masklength);
 
-	kfree(xadc->data);
-	xadc->data = kcalloc(n, sizeof(*xadc->data), GFP_KERNEL);
+	xadc->data = devm_krealloc(indio_dev->dev.parent, xadc->data,
+				   n * sizeof(*xadc->data),
+				   GFP_KERNEL | __GFP_ZERO);
 	if (!xadc->data)
 		return -ENOMEM;
 
@@ -1372,7 +1373,6 @@ static int xadc_remove(struct platform_device *pdev)
 	free_irq(xadc->irq, indio_dev);
 	cancel_delayed_work_sync(&xadc->zynq_unmask_work);
 	clk_disable_unprepare(xadc->clk);
-	kfree(xadc->data);
 
 	return 0;
 }
-- 
2.29.1


WARNING: multiple messages have this Message-ID (diff)
From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Jonathan Cameron <jic23@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Michal Simek <michal.simek@xilinx.com>
Cc: linux-iio@vger.kernel.org,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/5] iio: adc: xilinx: use devm_krealloc() instead of kfree() + kcalloc()
Date: Mon, 26 Oct 2020 14:36:06 +0100	[thread overview]
Message-ID: <20201026133609.24262-3-brgl@bgdev.pl> (raw)
In-Reply-To: <20201026133609.24262-1-brgl@bgdev.pl>

From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

We now have devm_krealloc() in the kernel Use it indstead of calling
kfree() and kcalloc() separately.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 drivers/iio/adc/xilinx-xadc-core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index 8494eb424b33..b516280ccbd4 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -589,8 +589,9 @@ static int xadc_update_scan_mode(struct iio_dev *indio_dev,
 
 	n = bitmap_weight(mask, indio_dev->masklength);
 
-	kfree(xadc->data);
-	xadc->data = kcalloc(n, sizeof(*xadc->data), GFP_KERNEL);
+	xadc->data = devm_krealloc(indio_dev->dev.parent, xadc->data,
+				   n * sizeof(*xadc->data),
+				   GFP_KERNEL | __GFP_ZERO);
 	if (!xadc->data)
 		return -ENOMEM;
 
@@ -1372,7 +1373,6 @@ static int xadc_remove(struct platform_device *pdev)
 	free_irq(xadc->irq, indio_dev);
 	cancel_delayed_work_sync(&xadc->zynq_unmask_work);
 	clk_disable_unprepare(xadc->clk);
-	kfree(xadc->data);
 
 	return 0;
 }
-- 
2.29.1


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-10-26 13:36 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-26 13:36 [PATCH 0/5] iio: adc: xilinx: use even more devres Bartosz Golaszewski
2020-10-26 13:36 ` Bartosz Golaszewski
2020-10-26 13:36 ` [PATCH 1/5] iio: adc: xilinx: use helper variable for &pdev->dev Bartosz Golaszewski
2020-10-26 13:36   ` Bartosz Golaszewski
2020-10-26 13:36 ` Bartosz Golaszewski [this message]
2020-10-26 13:36   ` [PATCH 2/5] iio: adc: xilinx: use devm_krealloc() instead of kfree() + kcalloc() Bartosz Golaszewski
2020-10-27  9:33   ` Andy Shevchenko
2020-10-27  9:33     ` Andy Shevchenko
2020-10-27 10:04     ` Bartosz Golaszewski
2020-10-27 10:04       ` Bartosz Golaszewski
2020-10-27 10:30       ` Andy Shevchenko
2020-10-27 10:30         ` Andy Shevchenko
2020-10-27 10:40         ` Bartosz Golaszewski
2020-10-27 10:40           ` Bartosz Golaszewski
2020-10-27 11:18           ` Andy Shevchenko
2020-10-27 11:18             ` Andy Shevchenko
2020-10-26 13:36 ` [PATCH 3/5] iio: adc: xilinx: use a devres action to disable and unprepare the clock Bartosz Golaszewski
2020-10-26 13:36   ` Bartosz Golaszewski
2020-10-29 15:38   ` Jonathan Cameron
2020-10-29 15:38     ` Jonathan Cameron
2020-10-26 13:36 ` [PATCH 4/5] iio: adc: xilinx: use devres for irq handling Bartosz Golaszewski
2020-10-26 13:36   ` Bartosz Golaszewski
2020-10-29 15:41   ` Jonathan Cameron
2020-10-29 15:41     ` Jonathan Cameron
2020-10-30 10:52     ` Bartosz Golaszewski
2020-10-30 10:52       ` Bartosz Golaszewski
2020-10-31 11:10       ` Jonathan Cameron
2020-10-31 11:10         ` Jonathan Cameron
2020-11-02  8:39         ` Bartosz Golaszewski
2020-11-02  8:39           ` Bartosz Golaszewski
2020-10-26 13:36 ` [PATCH 5/5] iio: adc: xilinx: use iio devres helpers Bartosz Golaszewski
2020-10-26 13:36   ` Bartosz Golaszewski

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