netxen: fix incorrect loop counter decrement

The loop counter k is currently being decremented from zero which
is incorrect. Fix this by incrementing k instead

Detected by CoverityScan, CID#401847 ("Infinite loop")

Fixes: 83f18a557c6d ("netxen_nic: fw dump support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
index 66ff15d..0a66389 100644 (file)
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
@@ -2311,7 +2311,7 @@ netxen_md_rdqueue(struct netxen_adapter *adapter,
                                 loop_cnt++) {
                NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id);
                read_addr = queueEntry->read_addr;
-               for (k = 0; k < read_cnt; k--) {
+               for (k = 0; k < read_cnt; k++) {
                        NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0,
                                                        &read_value);
                        *data_buff++ = read_value;