Re: [PATCH] udc:Remove no longer required varaiable in the function udc_set_halt

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ACK and thanks! for your patches.


Am 6/27/2015 8:45 PM, schrieb Nicholas Krause:
This removes the no longer required variable retval in the function
udc_set_halt now due to this variable never being set to a return
value after calling another function inside the function udc_set_halt
and only being used unchanged at the end of this function's body.
Due to this remove the no longer required variable retval and return
the value zero directly if we arrive at the end of this particular
function's body without any internal errors occurring.

Signed-off-by: Nicholas Krause <xerofoify@xxxxxxxxx>
---
  drivers/usb/gadget/udc/amd5536udc.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c
index de7e5e2..5b99e53 100644
--- a/drivers/usb/gadget/udc/amd5536udc.c
+++ b/drivers/usb/gadget/udc/amd5536udc.c
@@ -1307,7 +1307,6 @@ udc_set_halt(struct usb_ep *usbep, int halt)
  	struct udc_ep	*ep;
  	u32 tmp;
  	unsigned long iflags;
-	int retval = 0;
if (!usbep)
  		return -EINVAL;
@@ -1360,7 +1359,7 @@ udc_set_halt(struct usb_ep *usbep, int halt)
  		}
  	}
  	spin_unlock_irqrestore(&udc_stall_spinlock, iflags);
-	return retval;
+	return 0;
  }
/* gadget interface */

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