dmaengine: xilinx: xdma: remove redundant check on ret

The variable ret is being checked for an error and returning ret
and the following statement returns ret too. The if check is
redundant, and remove it. Just return the value returned from
the call to regmap_write.

Signed-off-by: Colin Ian King <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/xilinx/xdma.c

···
  */
 static int xdma_xfer_stop(struct xdma_chan *xchan)
 {
-	int ret;
 	struct xdma_device *xdev = xchan->xdev_hdl;
 
 	/* clear run stop bit to prevent any further auto-triggering */
-	ret = regmap_write(xdev->rmap, xchan->base + XDMA_CHAN_CONTROL_W1C,
-			   CHAN_CTRL_RUN_STOP);
-	if (ret)
-		return ret;
-	return ret;
+	return regmap_write(xdev->rmap, xchan->base + XDMA_CHAN_CONTROL_W1C,
+			    CHAN_CTRL_RUN_STOP);
 }
 
 /**