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[03/13] dmaengine: ioat: remove unused ‘res’

Message ID 1481305856-15206-4-git-send-email-vinod.koul@intel.com (mailing list archive)
State Accepted
Headers show

Commit Message

Vinod Koul Dec. 9, 2016, 5:50 p.m. UTC
In __cleanup(), variable ‘res’ is initialized but never used, which
leads to warning with W=1

drivers/dma/ioat/dma.c: In function ‘__cleanup’:
drivers/dma/ioat/dma.c:614:28: warning: variable ‘res’ set but not used [-Wunused-but-set-variable]
    struct dmaengine_result res;

So remove it.

Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
 drivers/dma/ioat/dma.c | 3 ---
 1 file changed, 3 deletions(-)
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Patch

diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 1350b880bc0d..c867db765936 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -611,11 +611,8 @@  static void __cleanup(struct ioatdma_chan *ioat_chan, dma_addr_t phys_complete)
 
 		tx = &desc->txd;
 		if (tx->cookie) {
-			struct dmaengine_result res;
-
 			dma_cookie_complete(tx);
 			dma_descriptor_unmap(tx);
-			res.result = DMA_TRANS_NOERROR;
 			dmaengine_desc_get_callback_invoke(tx, NULL);
 			tx->callback = NULL;
 			tx->callback_result = NULL;