diff options
Diffstat (limited to 'drivers/emac-dwc-eqos/DWC_ETH_QOS_desc.c')
| -rw-r--r-- | drivers/emac-dwc-eqos/DWC_ETH_QOS_desc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/emac-dwc-eqos/DWC_ETH_QOS_desc.c b/drivers/emac-dwc-eqos/DWC_ETH_QOS_desc.c index ac56b19..ab9b06f 100644 --- a/drivers/emac-dwc-eqos/DWC_ETH_QOS_desc.c +++ b/drivers/emac-dwc-eqos/DWC_ETH_QOS_desc.c @@ -1440,7 +1440,7 @@ static int DWC_ETH_QOS_map_page_buffs(struct DWC_ETH_QOS_prv_data *pdata, DBGPR("-->DWC_ETH_QOS_map_page_buffs\n"); if (size > DWC_ETH_QOS_MAX_DATA_PER_TX_BUF) { - if (!prev_buffer->dma2) { + if (prev_buffer && !prev_buffer->dma2) { DBGPR("prev_buffer->dma2 is empty\n"); /* fill the first buffer pointer in pre_buffer->dma2 */ prev_buffer->dma2 = @@ -1505,7 +1505,7 @@ static int DWC_ETH_QOS_map_page_buffs(struct DWC_ETH_QOS_prv_data *pdata, buffer->buf2_mapped_as_page = Y_TRUE; } } else { - if (!prev_buffer->dma2) { + if (prev_buffer && !prev_buffer->dma2) { DBGPR("prev_buffer->dma2 is empty\n"); /* fill the first buffer pointer in pre_buffer->dma2 */ prev_buffer->dma2 = dma_map_page(GET_MEM_PDEV_DEV, |