netxen: fix corner cases of firmware recovery

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>

o DEV_NEED_RESET state was not handled during fw intialization phase.
o nx_decr_dev_ref_cnt() can return error, if fail to grab pcie seamphore.
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 08780ef1c1f8..68903bf06cf6 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -2294,6 +2294,7 @@ netxen_fwinit_work(struct work_struct *work)
                 }
                 break;
 
+        case NX_DEV_NEED_RESET:
         case NX_DEV_INITALIZING:
                 if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
                         netxen_schedule_work(adapter,
@@ -2337,6 +2338,9 @@ netxen_detach_work(struct work_struct *work)
 
         ref_cnt = nx_decr_dev_ref_cnt(adapter);
 
+        if (ref_cnt == -EIO)
+                goto err_ret;
+
         delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
 
         adapter->fw_wait_cnt = 0;