[PATCH] dma: fix returnvar.cocci warnings

[Julia Lawall]

 Remove unneeded variable used to store return value.

Generated by: scripts/coccinelle/misc/returnvar.cocci

CC: Sinan Kaya <okaya at codeaurora.org>
Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
---

 hidma_ll.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/dma/qcom/hidma_ll.c
+++ b/drivers/dma/qcom/hidma_ll.c
@@ -567,14 +567,13 @@ int hidma_ll_resume(struct hidma_lldev *

 static int hidma_ll_hw_start(struct hidma_lldev *lldev)
 {
-	int rc = 0;
 	unsigned long irqflags;

 	spin_lock_irqsave(&lldev->lock, irqflags);
 	writel(lldev->tre_write_offset, lldev->trca + TRCA_DOORBELL_OFFSET);
 	spin_unlock_irqrestore(&lldev->lock, irqflags);

-	return rc;
+	return 0;
 }

 bool hidma_ll_isenabled(struct hidma_lldev *lldev)
@@ -600,7 +599,6 @@ bool hidma_ll_isenabled(struct hidma_lld
 int hidma_ll_queue_request(struct hidma_lldev *lldev, u32 tre_ch)
 {
 	struct hidma_tre *tre;
-	int rc = 0;
 	unsigned long flags;

 	tre = &lldev->trepool[tre_ch];
@@ -618,7 +616,7 @@ int hidma_ll_queue_request(struct hidma_
 	lldev->tre_write_offset = (lldev->tre_write_offset + TRE_SIZE)
 				% lldev->tre_ring_size;
 	spin_unlock_irqrestore(&lldev->lock, flags);
-	return rc;
+	return 0;
 }

 int hidma_ll_start(struct hidma_lldev *lldev)