Re: [PATCH] usb: gadget: file_storage: Fix error path

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On Sun, 03 Oct 2010 06:55:17 +0200, Rahul Ruikar <rahul.ruikar@xxxxxxxxx> wrote:
call put_device() when device_register() fails.

Capital letter at the beginning of sentence please. ;)


Signed-off-by: Rahul Ruikar <rahul.ruikar@xxxxxxxxx>

Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx>

(or even Reviewed? dunno if that makes sense for such a trivial patch.)

---
 drivers/usb/gadget/file_storage.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index a857b7a..2c94318 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -3413,6 +3413,7 @@ static int __ref fsg_bind(struct usb_gadget *gadget)
		if ((rc = device_register(&curlun->dev)) != 0) {
 			INFO(fsg, "failed to register LUN%d: %d\n", i, rc);
+			put_device(&curlun->dev);
 			goto out;
 		}
 		if ((rc = device_create_file(&curlun->dev,

The same problem is with f_mass_storage.c.  I'd be nice if you'd resubmit your
patch with the below included as well:

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 44e5ffe..0b86174 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2764,6 +2764,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 		rc = device_register(&curlun->dev);
 		if (rc) {
 			INFO(common, "failed to register LUN%d: %d\n", i, rc);
+			put_device(&curlun->dev);
 			common->nluns = i;
 			goto error_release;
 		}

Thanks.

--
Best regards,                                        _     _
| Humble Liege of Serenely Enlightened Majesty of  o' \,=./ `o
| Computer Science,  MichaÅ "mina86" Nazarewicz       (o o)
+----[mina86*mina86.com]---[mina86*jabber.org]----ooO--(_)--Ooo--
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