[patch] usb: gadget: double unlocks on error in atmel_usba_start()
Dan Carpenter
dan.carpenter at oracle.com
Wed Aug 21 04:42:24 EDT 2013
The "goto out" statements were wrong. We aren't holding any locks at
that point so we should return directly.
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
---
I can't compile this.
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 40d2338..2cb52e0 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1772,7 +1772,7 @@ out:
static int atmel_usba_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
- int ret = 0;
+ int ret;
struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget);
unsigned long flags;
@@ -1784,11 +1784,11 @@ static int atmel_usba_start(struct usb_gadget *gadget,
ret = clk_prepare_enable(udc->pclk);
if (ret)
- goto out;
+ return ret;
ret = clk_prepare_enable(udc->hclk);
if (ret) {
clk_disable_unprepare(udc->pclk);
- goto out;
+ return ret;
}
DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name);
@@ -1804,11 +1804,9 @@ static int atmel_usba_start(struct usb_gadget *gadget,
usba_writel(udc, CTRL, USBA_ENABLE_MASK);
usba_writel(udc, INT_ENB, USBA_END_OF_RESET);
}
-
-out:
spin_unlock_irqrestore(&udc->lock, flags);
- return ret;
+ return 0;
}
static int atmel_usba_stop(struct usb_gadget *gadget,
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