From: Bartosz Golaszewski <brgl@bgdev.pl> To: Jonathan Cameron <jic23@kernel.org>, Hartmut Knaack <knaack.h@gmx.de>, Lars-Peter Clausen <lars@metafoo.de>, Peter Meerwald-Stadler <pmeerw@pmeerw.net>, Michal Simek <michal.simek@xilinx.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Guenter Roeck <linux@roeck-us.net>, Andy Shevchenko <andriy.shevchenko@linux.intel.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 v5 3/3] iio: adc: xilinx-xadc: use devm_krealloc() Date: Wed, 15 Jul 2020 11:25:28 +0200 [thread overview] Message-ID: <20200715092528.8136-4-brgl@bgdev.pl> (raw) In-Reply-To: <20200715092528.8136-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bgolaszewski@baylibre.com> Use the managed variant of krealloc() and shrink the code a bit. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- drivers/iio/adc/xilinx-xadc-core.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index d7fecab9252e4..5bdbe502e983a 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -1094,6 +1094,7 @@ MODULE_DEVICE_TABLE(of, xadc_of_match_table); static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, unsigned int *conf) { + struct device *dev = indio_dev->dev.parent; struct xadc *xadc = iio_priv(indio_dev); struct iio_chan_spec *channels, *chan; struct device_node *chan_node, *child; @@ -1138,7 +1139,8 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, *conf |= XADC_CONF0_MUX | XADC_CONF0_CHAN(ext_mux_chan); } - channels = kmemdup(xadc_channels, sizeof(xadc_channels), GFP_KERNEL); + channels = devm_kmemdup(dev, xadc_channels, + sizeof(xadc_channels), GFP_KERNEL); if (!channels) return -ENOMEM; @@ -1174,8 +1176,9 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, of_node_put(chan_node); indio_dev->num_channels = num_channels; - indio_dev->channels = krealloc(channels, sizeof(*channels) * - num_channels, GFP_KERNEL); + indio_dev->channels = devm_krealloc(dev, channels, + sizeof(*channels) * num_channels, + GFP_KERNEL); /* If we can't resize the channels array, just use the original */ if (!indio_dev->channels) indio_dev->channels = channels; @@ -1229,14 +1232,14 @@ static int xadc_probe(struct platform_device *pdev) ret = xadc_parse_dt(indio_dev, pdev->dev.of_node, &conf0); if (ret) - goto err_device_free; + return ret; if (xadc->ops->flags & XADC_FLAGS_BUFFERED) { ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time, &xadc_trigger_handler, &xadc_buffer_ops); if (ret) - goto err_device_free; + return ret; xadc->convst_trigger = xadc_alloc_trigger(indio_dev, "convst"); if (IS_ERR(xadc->convst_trigger)) { @@ -1354,8 +1357,6 @@ static int xadc_probe(struct platform_device *pdev) err_triggered_buffer_cleanup: if (xadc->ops->flags & XADC_FLAGS_BUFFERED) iio_triggered_buffer_cleanup(indio_dev); -err_device_free: - kfree(indio_dev->channels); return ret; } @@ -1375,7 +1376,6 @@ static int xadc_remove(struct platform_device *pdev) cancel_delayed_work_sync(&xadc->zynq_unmask_work); clk_disable_unprepare(xadc->clk); kfree(xadc->data); - kfree(indio_dev->channels); return 0; } -- 2.26.1
WARNING: multiple messages have this Message-ID (diff)
From: Bartosz Golaszewski <brgl@bgdev.pl> To: Jonathan Cameron <jic23@kernel.org>, Hartmut Knaack <knaack.h@gmx.de>, Lars-Peter Clausen <lars@metafoo.de>, Peter Meerwald-Stadler <pmeerw@pmeerw.net>, Michal Simek <michal.simek@xilinx.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Guenter Roeck <linux@roeck-us.net>, Andy Shevchenko <andriy.shevchenko@linux.intel.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 v5 3/3] iio: adc: xilinx-xadc: use devm_krealloc() Date: Wed, 15 Jul 2020 11:25:28 +0200 [thread overview] Message-ID: <20200715092528.8136-4-brgl@bgdev.pl> (raw) In-Reply-To: <20200715092528.8136-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bgolaszewski@baylibre.com> Use the managed variant of krealloc() and shrink the code a bit. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- drivers/iio/adc/xilinx-xadc-core.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index d7fecab9252e4..5bdbe502e983a 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -1094,6 +1094,7 @@ MODULE_DEVICE_TABLE(of, xadc_of_match_table); static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, unsigned int *conf) { + struct device *dev = indio_dev->dev.parent; struct xadc *xadc = iio_priv(indio_dev); struct iio_chan_spec *channels, *chan; struct device_node *chan_node, *child; @@ -1138,7 +1139,8 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, *conf |= XADC_CONF0_MUX | XADC_CONF0_CHAN(ext_mux_chan); } - channels = kmemdup(xadc_channels, sizeof(xadc_channels), GFP_KERNEL); + channels = devm_kmemdup(dev, xadc_channels, + sizeof(xadc_channels), GFP_KERNEL); if (!channels) return -ENOMEM; @@ -1174,8 +1176,9 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np, of_node_put(chan_node); indio_dev->num_channels = num_channels; - indio_dev->channels = krealloc(channels, sizeof(*channels) * - num_channels, GFP_KERNEL); + indio_dev->channels = devm_krealloc(dev, channels, + sizeof(*channels) * num_channels, + GFP_KERNEL); /* If we can't resize the channels array, just use the original */ if (!indio_dev->channels) indio_dev->channels = channels; @@ -1229,14 +1232,14 @@ static int xadc_probe(struct platform_device *pdev) ret = xadc_parse_dt(indio_dev, pdev->dev.of_node, &conf0); if (ret) - goto err_device_free; + return ret; if (xadc->ops->flags & XADC_FLAGS_BUFFERED) { ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time, &xadc_trigger_handler, &xadc_buffer_ops); if (ret) - goto err_device_free; + return ret; xadc->convst_trigger = xadc_alloc_trigger(indio_dev, "convst"); if (IS_ERR(xadc->convst_trigger)) { @@ -1354,8 +1357,6 @@ static int xadc_probe(struct platform_device *pdev) err_triggered_buffer_cleanup: if (xadc->ops->flags & XADC_FLAGS_BUFFERED) iio_triggered_buffer_cleanup(indio_dev); -err_device_free: - kfree(indio_dev->channels); return ret; } @@ -1375,7 +1376,6 @@ static int xadc_remove(struct platform_device *pdev) cancel_delayed_work_sync(&xadc->zynq_unmask_work); clk_disable_unprepare(xadc->clk); kfree(xadc->data); - kfree(indio_dev->channels); return 0; } -- 2.26.1 _______________________________________________ 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:[~2020-07-15 9:25 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-15 9:25 [PATCH v5 0/3] devres: provide and use devm_krealloc() Bartosz Golaszewski 2020-07-15 9:25 ` Bartosz Golaszewski 2020-07-15 9:25 ` [PATCH v5 1/3] devres: provide devm_krealloc() Bartosz Golaszewski 2020-07-15 9:25 ` Bartosz Golaszewski 2020-07-15 9:35 ` Andy Shevchenko 2020-07-15 9:35 ` Andy Shevchenko 2020-07-25 19:20 ` Bartosz Golaszewski 2020-07-25 19:20 ` Bartosz Golaszewski 2020-07-15 9:25 ` [PATCH v5 2/3] hwmon: pmbus: use more devres helpers Bartosz Golaszewski 2020-07-15 9:25 ` Bartosz Golaszewski 2020-07-15 9:25 ` Bartosz Golaszewski [this message] 2020-07-15 9:25 ` [PATCH v5 3/3] iio: adc: xilinx-xadc: use devm_krealloc() Bartosz Golaszewski 2020-07-20 11:25 ` Jonathan Cameron 2020-07-20 11:25 ` Jonathan Cameron
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