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From: srinivas.kandagatla@linaro.org
To: gregkh@linuxfoundation.org
Cc: linux-kernel@vger.kernel.org,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [PATCH 01/26] eeprom: eeprom_93xx46: use resource management
Date: Fri, 21 Sep 2018 06:40:01 -0700	[thread overview]
Message-ID: <20180921134026.4596-2-srinivas.kandagatla@linaro.org> (raw)
In-Reply-To: <20180921134026.4596-1-srinivas.kandagatla@linaro.org>

From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Use resource managed variants of nvmem_register() and kzalloc().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 drivers/misc/eeprom/eeprom_93xx46.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
index 38766968bfa2..c6dd9ad9bf7b 100644
--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -439,7 +439,7 @@ static int eeprom_93xx46_probe(struct spi_device *spi)
 		return -ENODEV;
 	}
 
-	edev = kzalloc(sizeof(*edev), GFP_KERNEL);
+	edev = devm_kzalloc(&spi->dev, sizeof(*edev), GFP_KERNEL);
 	if (!edev)
 		return -ENOMEM;
 
@@ -449,8 +449,7 @@ static int eeprom_93xx46_probe(struct spi_device *spi)
 		edev->addrlen = 6;
 	else {
 		dev_err(&spi->dev, "unspecified address type\n");
-		err = -EINVAL;
-		goto fail;
+		return -EINVAL;
 	}
 
 	mutex_init(&edev->lock);
@@ -473,11 +472,9 @@ static int eeprom_93xx46_probe(struct spi_device *spi)
 	edev->nvmem_config.word_size = 1;
 	edev->nvmem_config.size = edev->size;
 
-	edev->nvmem = nvmem_register(&edev->nvmem_config);
-	if (IS_ERR(edev->nvmem)) {
-		err = PTR_ERR(edev->nvmem);
-		goto fail;
-	}
+	edev->nvmem = devm_nvmem_register(&spi->dev, &edev->nvmem_config);
+	if (IS_ERR(edev->nvmem))
+		return PTR_ERR(edev->nvmem);
 
 	dev_info(&spi->dev, "%d-bit eeprom %s\n",
 		(pd->flags & EE_ADDR8) ? 8 : 16,
@@ -490,21 +487,15 @@ static int eeprom_93xx46_probe(struct spi_device *spi)
 
 	spi_set_drvdata(spi, edev);
 	return 0;
-fail:
-	kfree(edev);
-	return err;
 }
 
 static int eeprom_93xx46_remove(struct spi_device *spi)
 {
 	struct eeprom_93xx46_dev *edev = spi_get_drvdata(spi);
 
-	nvmem_unregister(edev->nvmem);
-
 	if (!(edev->pdata->flags & EE_READONLY))
 		device_remove_file(&spi->dev, &dev_attr_erase);
 
-	kfree(edev);
 	return 0;
 }
 
-- 
2.19.0


  reply	other threads:[~2018-09-21 13:40 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-21 13:40 [PATCH 00/26] nvmem: patches for 4.20 srinivas.kandagatla
2018-09-21 13:40 ` srinivas.kandagatla [this message]
2018-09-21 13:40 ` [PATCH 02/26] eeprom: at25: use devm_nvmem_register() srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 03/26] nvmem: provide nvmem_dev_name() srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 04/26] nvmem: remove the name field from struct nvmem_device srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 05/26] nvmem: use list_for_each_entry_safe in nvmem_device_remove_all_cells() srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 06/26] nvmem: remove a stray newline srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 07/26] nvmem: check the return value of nvmem_add_cells() srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 08/26] nvmem: use kref srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 09/26] nvmem: sunxi_sid: return -ENOMEM if kzalloc() fails srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 10/26] nvmem: sunxi_sid: use devm_nvmem_register() srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 11/26] nvmem: lpc18xx_eeprom: " srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 12/26] nvmem: mxs-ocotp: " srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 13/26] nvmem: change the signature of nvmem_unregister() srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 14/26] nvmem: remove the global cell list srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 15/26] nvmem: add support for cell info srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 16/26] nvmem: resolve cells from DT at registration time srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 17/26] nvmem: add support for cell lookups from machine code srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 18/26] Documentation: nvmem: document cell tables and lookup entries srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 19/26] nvmem: add a notifier chain srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 20/26] nvmem: use SPDX license identifiers srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 21/26] nvmem: make the naming of arguments in nvmem_cell_get() consistent srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 22/26] nvmem: use EOPNOTSUPP instead of ENOSYS srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 23/26] nvmem: fix commenting style srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 24/26] nvmem: use octal permissions instead of constants srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 25/26] nvmem: sunxi_sid: remove unused variable in probe srinivas.kandagatla
2018-09-21 13:40 ` [PATCH 26/26] nvmem: make nvmem_add_cells() static srinivas.kandagatla

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