linux-kernel - [PATCH 28/46] Driver core: Fix cleanup in device_create

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Date:	Thu, 16 Oct 2008 10:10:29 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Cornelia Huck <cornelia.huck@...ibm.com>,
	stable <stable@...nel.org>, Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 28/46] Driver core: Fix cleanup in device_create_vargs().

From: Cornelia Huck <cornelia.huck@...ibm.com>

If device_register() in device_create_vargs() fails, the device
must be cleaned up with put_device() (which is also fine on NULL)
instead of kfree().

Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>
Cc: stable <stable@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/base/core.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index aac91e8..9649d1c 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1256,7 +1256,7 @@ struct device *device_create_vargs(struct class *class, struct device *parent,
 	return dev;
 
 error:
-	kfree(dev);
+	put_device(dev);
 	return ERR_PTR(retval);
 }
 EXPORT_SYMBOL_GPL(device_create_vargs);
-- 
1.6.0.2

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