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path: root/drivers/net/ethernet/calxeda/xgmac.c
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Diffstat (limited to 'drivers/net/ethernet/calxeda/xgmac.c')
-rw-r--r--drivers/net/ethernet/calxeda/xgmac.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index b407043ce9b0..f7f02900f650 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -548,6 +548,10 @@ static int desc_get_rx_status(struct xgmac_priv *priv, struct xgmac_dma_desc *p)
return -1;
}
+ /* All frames should fit into a single buffer */
+ if (!(status & RXDESC_FIRST_SEG) || !(status & RXDESC_LAST_SEG))
+ return -1;
+
/* Check if packet has checksum already */
if ((status & RXDESC_FRAME_TYPE) && (status & RXDESC_EXT_STATUS) &&
!(ext_status & RXDESC_IP_PAYLOAD_MASK))