From 462bed4870a813bb3ab33254de70757a92d0dc69 Mon Sep 17 00:00:00 2001 From: Manish Chopra Date: Tue, 28 Jan 2014 11:55:27 -0500 Subject: [PATCH] qlcnic: Correct off-by-one errors in bounds checks o Bound checks should be >= instead of > for number of receive descriptors and number of receive rings. Signed-off-by: Manish Chopra Signed-off-by: Jitendra Kalsaria Signed-off-by: David S. Miller --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index 30874cda8476..19e1a93bac67 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -1150,13 +1150,13 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter, u16 lro_length, length, data_offset, t_vid, vid = 0xffff; u32 seq_number; - if (unlikely(ring > adapter->max_rds_rings)) + if (unlikely(ring >= adapter->max_rds_rings)) return NULL; rds_ring = &recv_ctx->rds_rings[ring]; index = qlcnic_get_lro_sts_refhandle(sts_data0); - if (unlikely(index > rds_ring->num_desc)) + if (unlikely(index >= rds_ring->num_desc)) return NULL; buffer = &rds_ring->rx_buf_arr[index]; @@ -1662,13 +1662,13 @@ qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter, u16 vid = 0xffff; int err; - if (unlikely(ring > adapter->max_rds_rings)) + if (unlikely(ring >= adapter->max_rds_rings)) return NULL; rds_ring = &recv_ctx->rds_rings[ring]; index = qlcnic_83xx_hndl(sts_data[0]); - if (unlikely(index > rds_ring->num_desc)) + if (unlikely(index >= rds_ring->num_desc)) return NULL; buffer = &rds_ring->rx_buf_arr[index]; -- GitLab