[PATCH 122/222] net:fec: avoid checking more flags than necessary in rx path
From: Russell King <hidden>
Date: 2014-04-25 11:41:50
Subsystem:
freescale imx / mxc fec driver, networking drivers, the rest · Maintainers:
Wei Fang, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Avoid checking for both the receive checksumming flag and the enhanced buffer descriptor flags - we now only set receive checksumming if we know we have enhanced buffer descriptors. Signed-off-by: Russell King <redacted> --- drivers/net/ethernet/freescale/fec_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 7cb852991bf1..7f05866acee3 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c@@ -1042,8 +1042,7 @@ fec_enet_rx(struct net_device *ndev, int budget) fec_enet_hwtstamp(fep, bdp->ebd.ts, skb_hwtstamps(skb)); - if (fep->flags & FEC_FLAG_BUFDESC_EX && - fep->flags & FEC_FLAG_RX_CSUM) { + if (fep->flags & FEC_FLAG_RX_CSUM) { if (!(bdp->ebd.cbd_esc & FLAG_RX_CSUM_ERROR)) { /* don't check it */ skb->ip_summed = CHECKSUM_UNNECESSARY;
--
1.8.3.1