Commit 93b5dce4 authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
Browse files

net: stmmac: Only the last buffer has the FCS field 



Only the last received buffer contains the FCS field. Check for end of
packet before trying to strip the FCS field.

Fixes: 88ebe2cf ("net: stmmac: Rework stmmac_rx()")
Signed-off-by: default avatarJose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent eaf4fac4

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

+3 −2
Original line number Diff line number Diff line
@@ -3644,8 +3644,9 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) 
		 * feature is always disabled and packets need to be

		 * stripped manually.

		 */

		if (unlikely(priv->synopsys_id >= DWMAC_CORE_4_00) ||

		    unlikely(status != llc_snap)) {

		if (likely(!(status & rx_not_ls)) &&

		    (likely(priv->synopsys_id >= DWMAC_CORE_4_00) ||

		     unlikely(status != llc_snap))) {

			if (buf2_len)

				buf2_len -= ETH_FCS_LEN;

			else