diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-08-21 11:42:24 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-08-27 15:05:35 -0500 |
| commit | ffb62a14c7b6109ca4ee9bb360ad867b294acddc (patch) | |
| tree | 65791d4ba025823edf495b431b6abbcd6569a9d2 /drivers/usb/gadget/atmel_usba_udc.c | |
| parent | 0f82768406914d1391ec6d087500db7405f8f68e (diff) | |
| download | lwn-ffb62a14c7b6109ca4ee9bb360ad867b294acddc.tar.gz lwn-ffb62a14c7b6109ca4ee9bb360ad867b294acddc.zip | |
usb: gadget: double unlocks on error in atmel_usba_start()
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@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/atmel_usba_udc.c')
| -rw-r--r-- | drivers/usb/gadget/atmel_usba_udc.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index 40d23384b716..2cb52e0438df 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, |