staging: comedi: s626: remove unnecessary checks of 'devpriv->base_addr'

'devpriv->base_addr' is valid from this point on in the attach_pci()
function. Remove the unnecessary checks.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/s626.c

@@ -2465,7 +2465,6 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
 	if (!devpriv->base_addr)
 		return -ENOMEM;
 
-	if (devpriv->base_addr) {
 	/* disable master interrupt */
 	writel(0, devpriv->base_addr + P_IER);
 
@@ -2501,8 +2500,6 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
 
 	devpriv->allocatedBuf++;
 
-	}
-
 	ret = comedi_alloc_subdevices(dev, 6);
 	if (ret)
 		return ret;
@@ -2599,7 +2596,7 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
 	/* stop ai_command */
 	devpriv->ai_cmd_running = 0;
 
-	if (devpriv->base_addr && (devpriv->allocatedBuf == 2)) {
+	if (devpriv->allocatedBuf == 2) {
 		dma_addr_t pPhysBuf;
 		uint16_t chan;