[PATCH 6/8] staging: vchiq_arm: Lower indentation of a conditional block

[Umang Jain]

Check early if we need to allocate the bulk waiter. This helps to
improve readability and reduces the indentation of the 'if (waiter)'
conditional block.

No functional changes intended in this patch.

Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>
---
 .../interface/vchiq_arm/vchiq_arm.c           | 34 +++++++++----------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 27ceaac8f6cc..a4a7f31b124a 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -564,28 +564,28 @@ vchiq_blocking_bulk_transfer(struct vchiq_instance *instance, unsigned int handl
 	}
 	mutex_unlock(&instance->bulk_waiter_list_mutex);
 
-	if (waiter) {
-		struct vchiq_bulk *bulk = waiter->bulk_waiter.bulk;
-
-		if (bulk) {
-			/* This thread has an outstanding bulk transfer. */
-			/* FIXME: why compare a dma address to a pointer? */
-			if ((bulk->data != (dma_addr_t)(uintptr_t)data) || (bulk->size != size)) {
-				/*
-				 * This is not a retry of the previous one.
-				 * Cancel the signal when the transfer completes.
-				 */
-				spin_lock(&service->state->bulk_waiter_spinlock);
-				bulk->userdata = NULL;
-				spin_unlock(&service->state->bulk_waiter_spinlock);
-			}
-		}
-	} else {
+	if (!waiter) {
 		waiter = kzalloc(sizeof(*waiter), GFP_KERNEL);
 		if (!waiter)
 			return -ENOMEM;
 	}
 
+	struct vchiq_bulk *bulk = waiter->bulk_waiter.bulk;
+
+	if (bulk) {
+		/* This thread has an outstanding bulk transfer. */
+		/* FIXME: why compare a dma address to a pointer? */
+		if ((bulk->data != (dma_addr_t)(uintptr_t)data) || (bulk->size != size)) {
+			/*
+			 * This is not a retry of the previous one.
+			 * Cancel the signal when the transfer completes.
+			 */
+			spin_lock(&service->state->bulk_waiter_spinlock);
+			bulk->userdata = NULL;
+			spin_unlock(&service->state->bulk_waiter_spinlock);
+		}
+	}
+
 	ret = vchiq_bulk_xfer_blocking(instance, handle, data, NULL, size,
 				       &waiter->bulk_waiter, dir);
 	if ((ret != -EAGAIN) || fatal_signal_pending(current) || !waiter->bulk_waiter.bulk) {
-- 
2.45.2