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-rw-r--r--drivers/net/ethernet/broadcom/bgmac.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 60b5c3ca8551..5a20108c80e5 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -445,6 +445,13 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
break;
}
+ if (len > BGMAC_RX_ALLOC_SIZE) {
+ bgmac_err(bgmac, "Found oversized packet at slot %d, DMA issue!\n",
+ ring->start);
+ put_page(virt_to_head_page(buf));
+ break;
+ }
+
/* Omit CRC. */
len -= ETH_FCS_LEN;