linux-kernel - [PATCHv2 2/7] USB: gadget: f_mass_storage: put

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Date:	Thu, 28 Oct 2010 17:31:19 +0200
From:	Michal Nazarewicz <mina86@...a86.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Michal Nazarewicz <m.nazarewicz@...sung.com>,
	Rahul Ruikar <rahul.ruikar@...il.com>,
	Michal Nazarewicz <mina86@...a86.com>
Subject: [PATCHv2 2/7] USB: gadget: f_mass_storage: put_device() in error recovery

From: Rahul Ruikar <rahul.ruikar@...il.com>

This commit fixes an issue with error recovery after
device_register() fails in Mass Storage Function.  The device
needs to be put to avoid resource leakage.

Signed-off-by: Rahul Ruikar <rahul.ruikar@...il.com>
[mina86@...a86.com: updated commit message]
Signed-off-by: Michal Nazarewicz <mina86@...a86.com>
---
 drivers/usb/gadget/f_mass_storage.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 838286b..c89b992 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2765,6 +2765,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 		if (rc) {
 			INFO(common, "failed to register LUN%d: %d\n", i, rc);
 			common->nluns = i;
+			put_device(&curlun->dev);
 			goto error_release;
 		}
 
-- 
1.7.1

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