system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-11-05 18:23:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

qlcnic: Correct off-by-one errors in bounds checks

Browse source 
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>
This commit is contained in:
Manish Chopra 2014-01-28 11:55:27 -05:00 committed by David S. Miller
parent d922e1cb1e
commit 462bed4870
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
View file

@ -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];