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 <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 30874cd..19e1a93 100644 (file)
--- 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];