Commit 96147375 authored Nov 06, 2019 by Jose Abreu Committed by David S. Miller Nov 06, 2019

net: stmmac: xgmac: Only get SPH header len if available

Split Header length is only available when L34T == 0. Fix this by
correctly checking if L34T is zero before trying to get Header length.

Fixes: 67afd6d1 ("net: stmmac: Add Split Header support and enable it in XGMAC cores")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent eeb9d745

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_descs.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -288,6 +288,7 @@ static int dwxgmac2_get_rx_hash(struct dma_desc p, u32 hash,

		static int dwxgmac2_get_rx_header_len(struct dma_desc p, unsigned int len)
		{
		if (le32_to_cpu(p->des3) & XGMAC_RDES3_L34T)
		*len = le32_to_cpu(p->des2) & XGMAC_RDES2_HL;
		return 0;
		}