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dmaengine: ioat: remove unused ‘ioat_dma’

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In ioat_tx_submit_unlock(), variable ‘ioat_dma’ is initialized but never
used, which leads to warning with W=1

drivers/dma/ioat/dma.c: In function ‘ioat_alloc_ring_ent’:
drivers/dma/ioat/dma.c:341:25: warning: variable ‘ioat_dma’ set but not used [-Wunused-but-set-variable]
  struct ioatdma_device *ioat_dma;

So remove it.

Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul 2016-12-09 15:24:12 +05:30
parent 56c492f341
commit 4cc8044148
1 changed files with 0 additions and 3 deletions
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3
drivers/dma/ioat/dma.c
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@ -341,15 +341,12 @@ ioat_alloc_ring_ent(struct dma_chan *chan, int idx, gfp_t flags)
{
struct ioat_dma_descriptor *hw;
struct ioat_ring_ent *desc;
struct ioatdma_device *ioat_dma;
struct ioatdma_chan *ioat_chan = to_ioat_chan(chan);
int chunk;
dma_addr_t phys;
u8 *pos;
off_t offs;
ioat_dma = to_ioatdma_device(chan->device);
chunk = idx / IOAT_DESCS_PER_2M;
idx &= (IOAT_DESCS_PER_2M - 1);
offs = idx * IOAT_DESC_SZ;