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net: macb: Remove dead code 

macb_64b_desc is always called when HW_DMA_CAP_64B is defined.
So the return NULL can never be reached. Remove the dead code.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shubhrajyoti Datta 2019-09-23 14:03:51 +05:30 committed by David S. Miller
parent b0ce902feb
commit 99dcb8432a
1 changed files with 2 additions and 3 deletions
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5
drivers/net/ethernet/cadence/macb_main.c
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@ -165,9 +165,8 @@ static unsigned int macb_adj_dma_desc_idx(struct macb *bp, unsigned int desc_idx
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
static struct macb_dma_desc_64 *macb_64b_desc(struct macb *bp, struct macb_dma_desc *desc)
{
if (bp->hw_dma_cap & HW_DMA_CAP_64B)
return (struct macb_dma_desc_64 *)((void *)desc + sizeof(struct macb_dma_desc));
return NULL;
return (struct macb_dma_desc_64 *)((void *)desc
+ sizeof(struct macb_dma_desc));
}
#endif