From: Rahul Ruikar <rahul.ruikar@gmail.com>
Date: Thu, 28 Oct 2010 15:31:19 +0000 (+0200)
Subject: USB: gadget: f_mass_storage: put_device() in error recovery
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=17a936117c587c23aafafdb9cd6d433a90daa83d;p=linux-beck.git

USB: gadget: f_mass_storage: put_device() in error recovery

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@gmail.com>
[mina86@mina86.com: updated commit message]
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 838286b1cd14..c89b99295c1f 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;
 		}