Staging: winbond: usb_free_urb(NULL) is safe

usb_free_urb(NULL) is safe. So, the check was removed. Also, couple of checkpatch.pl fixes
Signed-off-by: Harsh Kumar <harsh1kumar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/winbond/phy_calibration.c

@@ -296,7 +296,7 @@ void _sin_cos(s32 angle, s32 *sin, s32 *cos)
 	}
 }
 
-static unsigned char hal_get_dxx_reg(struct hw_data *pHwData, u16 number, u32 * pValue)
+static unsigned char hal_get_dxx_reg(struct hw_data *pHwData, u16 number, u32 *pValue)
 {
 	if (number < 0x1000)
 		number += 0x1000;

drivers/staging/winbond/wb35reg.c

@@ -64,7 +64,6 @@ unsigned char Wb35Reg_BurstWrite(struct hw_data *pHwData, u16 RegisterNo, u32 *p
 
 		return true;
 	} else {
-		if (urb)
 		usb_free_urb(urb);
 		kfree(reg_queue);
 		return false;
@@ -206,7 +205,6 @@ unsigned char Wb35Reg_Write(struct hw_data *pHwData, u16 RegisterNo, u32 Registe
 
 		return true;
 	} else {
-		if (urb)
 		usb_free_urb(urb);
 		kfree(reg_queue);
 		return false;
@@ -270,7 +268,6 @@ unsigned char Wb35Reg_WriteWithCallbackValue(struct hw_data *pHwData,
 		Wb35Reg_EP0VM_start(pHwData);
 		return true;
 	} else {
-		if (urb)
 		usb_free_urb(urb);
 		kfree(reg_queue);
 		return false;
@@ -374,7 +371,6 @@ unsigned char Wb35Reg_Read(struct hw_data *pHwData, u16 RegisterNo, u32 *pRegist
 
 		return true;
 	} else {
-		if (urb)
 		usb_free_urb(urb);
 		kfree(reg_queue);
 		return false;

drivers/staging/winbond/wb35rx.c

@@ -343,7 +343,6 @@ void Wb35Rx_destroy(struct hw_data *pHwData)
 	} while (pWb35Rx->EP3vm_state != VM_STOP);
 	msleep(10); /* Delay for waiting function exit */
 
-	if (pWb35Rx->RxUrb)
 	usb_free_urb(pWb35Rx->RxUrb);
 	pr_debug("Wb35Rx_destroy OK\n");
 }