From 4b597c634a2a8fbc8ecbdaf7c2b4c8bb68cfba20 Mon Sep 17 00:00:00 2001 From: Kedareswara rao Appana Date: Wed, 3 Jan 2018 12:12:10 +0530 Subject: dmaengine: xilinx_dma: Fix warning variable prev set but not used MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch fixes the below sparse warning in the driver drivers/dma/xilinx/xilinx_dma.c: In function ‘xilinx_vdma_dma_prep_interleaved’: drivers/dma/xilinx/xilinx_dma.c:1614:43: warning: variable ‘prev’ set but not used [-Wunused-but-set-variable] struct xilinx_vdma_tx_segment *segment, *prev = NULL; Signed-off-by: Kedareswara rao Appana Signed-off-by: Vinod Koul --- drivers/dma/xilinx/xilinx_dma.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/dma') diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index e32ebe0837af..855ea14f6877 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -1611,7 +1611,7 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, { struct xilinx_dma_chan *chan = to_xilinx_chan(dchan); struct xilinx_dma_tx_descriptor *desc; - struct xilinx_vdma_tx_segment *segment, *prev = NULL; + struct xilinx_vdma_tx_segment *segment; struct xilinx_vdma_desc_hw *hw; if (!is_slave_direction(xt->dir)) @@ -1665,8 +1665,6 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, /* Insert the segment into the descriptor segments list. */ list_add_tail(&segment->node, &desc->segments); - prev = segment; - /* Link the last hardware descriptor with the first. */ segment = list_first_entry(&desc->segments, struct xilinx_vdma_tx_segment, node); -- cgit v1.2.3