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@xxxxxxxxx> Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx> --- drivers/dma/ioat/dma.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 49386ce04bf5..1350b880bc0d 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -341,15 +341,12 @@ static dma_cookie_t ioat_tx_submit_unlock(struct dma_async_tx_descriptor *tx) { 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; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html