linux-kernel - [PATCH v2] misc: mic: replace kfree with put

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Message-Id: <83567270f076fd982d8ae761c52e750737442c85.1444004454.git.geliangtang@163.com>
Date:	Mon,  5 Oct 2015 08:33:47 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ashutosh Dixit <ashutosh.dixit@...el.com>,
	Sudeep Dutt <sudeep.dutt@...el.com>,
	Nikhil Rao <nikhil.rao@...el.com>
Cc:	Geliang Tang <geliangtang@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH v2] misc: mic: replace kfree with put_device

Handle a failed device_register(), replace kfree() with put_device(),
which will call mbus_release_dev() or scif_release_dev().

Signed-off-by: Geliang Tang <geliangtang@....com>
---
Changes in v2:
  - Just refresh this patch.
---
 drivers/misc/mic/bus/mic_bus.c  | 2 +-
 drivers/misc/mic/bus/scif_bus.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/mic/bus/mic_bus.c b/drivers/misc/mic/bus/mic_bus.c
index c64955d..be37890 100644
--- a/drivers/misc/mic/bus/mic_bus.c
+++ b/drivers/misc/mic/bus/mic_bus.c
@@ -175,7 +175,7 @@ mbus_register_device(struct device *pdev, int id, struct dma_map_ops *dma_ops,
 		goto free_mbdev;
 	return mbdev;
 free_mbdev:
-	kfree(mbdev);
+	put_device(&mbdev->dev);
 	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL_GPL(mbus_register_device);
diff --git a/drivers/misc/mic/bus/scif_bus.c b/drivers/misc/mic/bus/scif_bus.c
index fd27021..ff6e01c 100644
--- a/drivers/misc/mic/bus/scif_bus.c
+++ b/drivers/misc/mic/bus/scif_bus.c
@@ -180,7 +180,7 @@ scif_register_device(struct device *pdev, int id, struct dma_map_ops *dma_ops,
 		goto free_sdev;
 	return sdev;
 free_sdev:
-	kfree(sdev);
+	put_device(&sdev->dev);
 	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL_GPL(scif_register_device);
-- 
2.5.0


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