diff options
Diffstat (limited to 'drivers/dma/xilinx')
| -rw-r--r-- | drivers/dma/xilinx/xilinx_vdma.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/dma/xilinx/xilinx_vdma.c b/drivers/dma/xilinx/xilinx_vdma.c index a6e64767186..10937945a52 100644 --- a/drivers/dma/xilinx/xilinx_vdma.c +++ b/drivers/dma/xilinx/xilinx_vdma.c @@ -971,9 +971,11 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, hw->buf_addr = xt->src_start; /* Link the previous next descriptor to current */ - prev = list_last_entry(&desc->segments, - struct xilinx_vdma_tx_segment, node); - prev->hw.next_desc = segment->phys; + if (!list_empty(&desc->segments)) { + prev = list_last_entry(&desc->segments, + struct xilinx_vdma_tx_segment, node); + prev->hw.next_desc = segment->phys; + } /* Insert the segment into the descriptor segments list. */ list_add_tail(&segment->node, &desc->segments); |