Staging: slicoss: Refactor code by introducing new function slic_interrupt_card_up()

This patch fixes the following checkpatch.pl warning in slicoss.c:
WARNING: Too many leading tabs - consider code refactoring
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/slicoss/slicoss.c

@@ -2619,20 +2619,9 @@ static void slic_xmit_complete(struct adapter *adapter)
 	adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames);
 }
 
-static irqreturn_t slic_interrupt(int irq, void *dev_id)
+static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
+			struct net_device *dev)
 {
-	struct net_device *dev = (struct net_device *)dev_id;
-	struct adapter *adapter = netdev_priv(dev);
-	u32 isr;
-
-	if ((adapter->pshmem) && (adapter->pshmem->isr)) {
-		slic_reg32_write(&adapter->slic_regs->slic_icr,
-				 ICR_INT_MASK, FLUSH);
-		isr = adapter->isrcopy = adapter->pshmem->isr;
-		adapter->pshmem->isr = 0;
-		adapter->num_isrs++;
-		switch (adapter->card->state) {
-		case CARD_UP:
 	if (isr & ~ISR_IO) {
 		if (isr & ISR_ERR) {
 			adapter->error_interrupts++;
@@ -2644,18 +2633,15 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id)
 				struct slic_rcvqueue *rcvq =
 					&adapter->rcvqueue;
 
-						adapter->
-						    error_rmiss_interrupts++;
+				adapter->error_rmiss_interrupts++;
+
 				if (!rcvq->errors)
 					rcv_count = rcvq->count;
 				pre_count = rcvq->count;
 				errors = rcvq->errors;
 
-						while (rcvq->count <
-						       SLIC_RCVQ_FILLTHRESH) {
-							count =
-							    slic_rcvqueue_fill
-							    (adapter);
+				while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
+					count = slic_rcvqueue_fill(adapter);
 					if (!count)
 						break;
 				}
@@ -2675,8 +2661,8 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id)
 			slic_link_event_handler(adapter);
 		}
 
-				if ((isr & ISR_UPC) ||
-				    (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
+		if ((isr & ISR_UPC) || (isr & ISR_UPCERR) ||
+		    (isr & ISR_UPCBSY)) {
 			adapter->upr_interrupts++;
 			slic_upr_request_complete(adapter, isr);
 		}
@@ -2691,6 +2677,24 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id)
 		adapter->xmit_interrupts++;
 		slic_xmit_complete(adapter);
 	}
+}
+
+
+static irqreturn_t slic_interrupt(int irq, void *dev_id)
+{
+	struct net_device *dev = (struct net_device *)dev_id;
+	struct adapter *adapter = netdev_priv(dev);
+	u32 isr;
+
+	if ((adapter->pshmem) && (adapter->pshmem->isr)) {
+		slic_reg32_write(&adapter->slic_regs->slic_icr,
+				 ICR_INT_MASK, FLUSH);
+		isr = adapter->isrcopy = adapter->pshmem->isr;
+		adapter->pshmem->isr = 0;
+		adapter->num_isrs++;
+		switch (adapter->card->state) {
+		case CARD_UP:
+			slic_interrupt_card_up(isr, adapter, dev);
 			break;
 
 		case CARD_DOWN: