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

From: Sergei Shtylyov
Date: Mon Oct 04 2010 - 06:48:13 EST


Hello.

On 03-10-2010 18:10, Rahul Ruikar wrote:

call put_device() when device_register() fails.

Signed-off-by: Rahul Ruikar<rahul.ruikar@xxxxxxxxx>
[...]
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 1088d08..080779b 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1847,8 +1847,13 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* done */
the_controller = dev;
retval = device_register(&dev->gadget.dev);
- if (retval == 0)
+ if (retval != 0) {
+ dev_reg_status = 2;
+ goto done;
+ } else {
+ dev_reg_status = 1;

Did you mean 'dev->dev_reg_status'?

return 0;
+ }

done:
if (dev)
diff --git a/drivers/usb/gadget/goku_udc.h b/drivers/usb/gadget/goku_udc.h
index 566cb23..c27b9e2 100644
--- a/drivers/usb/gadget/goku_udc.h
+++ b/drivers/usb/gadget/goku_udc.h
@@ -251,7 +251,8 @@ struct goku_udc {
got_region:1,
req_config:1,
configured:1,
- enabled:1;
+ enabled:1,
+ dev_reg_status:2;

I don't see where this new field is read in your patch...

WBR, Sergei
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