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

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Date:	Wed, 30 Sep 2015 00:58:22 +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] 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>
---
 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 961ae90..a25be8d 100644
--- a/drivers/misc/mic/bus/mic_bus.c
+++ b/drivers/misc/mic/bus/mic_bus.c
@@ -185,7 +185,7 @@ mbus_register_device(struct device *pdev, int id, struct dma_map_ops *dma_ops,
 ida_remove:
 	ida_simple_remove(&mbus_index_ida, mbdev->index);
 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 2da7cee..8972ae7 100644
--- a/drivers/misc/mic/bus/scif_bus.c
+++ b/drivers/misc/mic/bus/scif_bus.c
@@ -181,7 +181,7 @@ 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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